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Finding the Fourth Proportional to 157,073.28, 216,744.92 and 93,398.76

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Solution

The fourth proportional to 157,073.28, 216,744.92 and 93,398.76 is: 128,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.28 : 216,744.92 = 93,398.76 : x
  2. Step 2: Convert to fraction form
    157,073.28/216,744.92 = 93,398.76/x
  3. Step 3: Cross multiply
    157,073.28x = 216,744.92 × 93,398.76
  4. Step 4: Simplify right side
    157,073.28x = 20,243,706,764.30
  5. Step 5: Solve for x
    x = 20,243,706,764.30/157,073.28
  6. Step 6: Final answer
    x = 128,880.65

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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.