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Finding the Fourth Proportional to 292,124.76, 403,132.02 and 157,988.76

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Solution

The fourth proportional to 292,124.76, 403,132.02 and 157,988.76 is: 218,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,124.76 : 403,132.02 = 157,988.76 : x
  2. Step 2: Convert to fraction form
    292,124.76/403,132.02 = 157,988.76/x
  3. Step 3: Cross multiply
    292,124.76x = 403,132.02 × 157,988.76
  4. Step 4: Simplify right side
    292,124.76x = 63,690,327,956.10
  5. Step 5: Solve for x
    x = 63,690,327,956.10/292,124.76
  6. Step 6: Final answer
    x = 218,024.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.