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Finding the Fourth Proportional to 119,693.97, 179,521.43 and 56,513.97

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Solution

The fourth proportional to 119,693.97, 179,521.43 and 56,513.97 is: 84,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,693.97 : 179,521.43 = 56,513.97 : x
  2. Step 2: Convert to fraction form
    119,693.97/179,521.43 = 56,513.97/x
  3. Step 3: Cross multiply
    119,693.97x = 179,521.43 × 56,513.97
  4. Step 4: Simplify right side
    119,693.97x = 10,145,468,426.81
  5. Step 5: Solve for x
    x = 10,145,468,426.81/119,693.97
  6. Step 6: Final answer
    x = 84,761.73

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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.