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Finding the Fourth Proportional to 157,175.12, 216,890.12 and 93,501.04

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Solution

The fourth proportional to 157,175.12, 216,890.12 and 93,501.04 is: 129,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,175.12 : 216,890.12 = 93,501.04 : x
  2. Step 2: Convert to fraction form
    157,175.12/216,890.12 = 93,501.04/x
  3. Step 3: Cross multiply
    157,175.12x = 216,890.12 × 93,501.04
  4. Step 4: Simplify right side
    157,175.12x = 20,279,451,785.72
  5. Step 5: Solve for x
    x = 20,279,451,785.72/157,175.12
  6. Step 6: Final answer
    x = 129,024.57

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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.