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Finding the Fourth Proportional to 119,179.29, 164,398.71 and 71,404.96

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Solution

The fourth proportional to 119,179.29, 164,398.71 and 71,404.96 is: 98,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.29 : 164,398.71 = 71,404.96 : x
  2. Step 2: Convert to fraction form
    119,179.29/164,398.71 = 71,404.96/x
  3. Step 3: Cross multiply
    119,179.29x = 164,398.71 × 71,404.96
  4. Step 4: Simplify right side
    119,179.29x = 11,738,883,476.62
  5. Step 5: Solve for x
    x = 11,738,883,476.62/119,179.29
  6. Step 6: Final answer
    x = 98,497.68

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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.