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Finding the Fourth Proportional to 157,595.02, 217,451.38 and 93,938.74

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Solution

The fourth proportional to 157,595.02, 217,451.38 and 93,938.74 is: 129,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,595.02 : 217,451.38 = 93,938.74 : x
  2. Step 2: Convert to fraction form
    157,595.02/217,451.38 = 93,938.74/x
  3. Step 3: Cross multiply
    157,595.02x = 217,451.38 × 93,938.74
  4. Step 4: Simplify right side
    157,595.02x = 20,427,108,648.46
  5. Step 5: Solve for x
    x = 20,427,108,648.46/157,595.02
  6. Step 6: Final answer
    x = 129,617.73

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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.