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Finding the Fourth Proportional to 157,123.92, 216,719.10 and 96,615.36

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Solution

The fourth proportional to 157,123.92, 216,719.10 and 96,615.36 is: 133,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,123.92 : 216,719.10 = 96,615.36 : x
  2. Step 2: Convert to fraction form
    157,123.92/216,719.10 = 96,615.36/x
  3. Step 3: Cross multiply
    157,123.92x = 216,719.10 × 96,615.36
  4. Step 4: Simplify right side
    157,123.92x = 20,938,393,865.38
  5. Step 5: Solve for x
    x = 20,938,393,865.38/157,123.92
  6. Step 6: Final answer
    x = 133,260.38

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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.