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Finding the Fourth Proportional to 115,875.70, 173,813.55 and 36,997.90

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Solution

The fourth proportional to 115,875.70, 173,813.55 and 36,997.90 is: 55,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,875.70 : 173,813.55 = 36,997.90 : x
  2. Step 2: Convert to fraction form
    115,875.70/173,813.55 = 36,997.90/x
  3. Step 3: Cross multiply
    115,875.70x = 173,813.55 × 36,997.90
  4. Step 4: Simplify right side
    115,875.70x = 6,430,736,341.55
  5. Step 5: Solve for x
    x = 6,430,736,341.55/115,875.70
  6. Step 6: Final answer
    x = 55,496.85

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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.