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Finding the Fourth Proportional to 250,444.97, 375,663.45 and 79,664.27

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Solution

The fourth proportional to 250,444.97, 375,663.45 and 79,664.27 is: 119,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,444.97 : 375,663.45 = 79,664.27 : x
  2. Step 2: Convert to fraction form
    250,444.97/375,663.45 = 79,664.27/x
  3. Step 3: Cross multiply
    250,444.97x = 375,663.45 × 79,664.27
  4. Step 4: Simplify right side
    250,444.97x = 29,926,952,631.61
  5. Step 5: Solve for x
    x = 29,926,952,631.61/250,444.97
  6. Step 6: Final answer
    x = 119,495.13

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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.