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Finding the Fourth Proportional to 157,034.52, 216,713.38 and 89,979.48

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Solution

The fourth proportional to 157,034.52, 216,713.38 and 89,979.48 is: 124,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,034.52 : 216,713.38 = 89,979.48 : x
  2. Step 2: Convert to fraction form
    157,034.52/216,713.38 = 89,979.48/x
  3. Step 3: Cross multiply
    157,034.52x = 216,713.38 × 89,979.48
  4. Step 4: Simplify right side
    157,034.52x = 19,499,757,241.44
  5. Step 5: Solve for x
    x = 19,499,757,241.44/157,034.52
  6. Step 6: Final answer
    x = 124,174.97

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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.