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Finding the Fourth Proportional to 127,496.70, 191,245.05 and 44,390.70

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Solution

The fourth proportional to 127,496.70, 191,245.05 and 44,390.70 is: 66,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,496.70 : 191,245.05 = 44,390.70 : x
  2. Step 2: Convert to fraction form
    127,496.70/191,245.05 = 44,390.70/x
  3. Step 3: Cross multiply
    127,496.70x = 191,245.05 × 44,390.70
  4. Step 4: Simplify right side
    127,496.70x = 8,489,501,641.04
  5. Step 5: Solve for x
    x = 8,489,501,641.04/127,496.70
  6. Step 6: Final answer
    x = 66,586.05

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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.