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Finding the Fourth Proportional to 85,295.90, 127,944.37 and 37,899.85

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Solution

The fourth proportional to 85,295.90, 127,944.37 and 37,899.85 is: 56,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.90 : 127,944.37 = 37,899.85 : x
  2. Step 2: Convert to fraction form
    85,295.90/127,944.37 = 37,899.85/x
  3. Step 3: Cross multiply
    85,295.90x = 127,944.37 × 37,899.85
  4. Step 4: Simplify right side
    85,295.90x = 4,849,072,545.41
  5. Step 5: Solve for x
    x = 4,849,072,545.41/85,295.90
  6. Step 6: Final answer
    x = 56,850.01

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.