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Finding the Fourth Proportional to 152,057.71, 227,937.60 and 84,621.91

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Solution

The fourth proportional to 152,057.71, 227,937.60 and 84,621.91 is: 126,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,057.71 : 227,937.60 = 84,621.91 : x
  2. Step 2: Convert to fraction form
    152,057.71/227,937.60 = 84,621.91/x
  3. Step 3: Cross multiply
    152,057.71x = 227,937.60 × 84,621.91
  4. Step 4: Simplify right side
    152,057.71x = 19,288,514,201.23
  5. Step 5: Solve for x
    x = 19,288,514,201.23/152,057.71
  6. Step 6: Final answer
    x = 126,849.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.