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Finding the Fourth Proportional to 157,373.64, 217,176.54 and 93,714.12

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Solution

The fourth proportional to 157,373.64, 217,176.54 and 93,714.12 is: 129,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,373.64 : 217,176.54 = 93,714.12 : x
  2. Step 2: Convert to fraction form
    157,373.64/217,176.54 = 93,714.12/x
  3. Step 3: Cross multiply
    157,373.64x = 217,176.54 × 93,714.12
  4. Step 4: Simplify right side
    157,373.64x = 20,352,508,330.74
  5. Step 5: Solve for x
    x = 20,352,508,330.74/157,373.64
  6. Step 6: Final answer
    x = 129,326.03

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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.