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Finding the Fourth Proportional to 119,001.70, 178,407.82 and 58,987.94

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Solution

The fourth proportional to 119,001.70, 178,407.82 and 58,987.94 is: 88,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,001.70 : 178,407.82 = 58,987.94 : x
  2. Step 2: Convert to fraction form
    119,001.70/178,407.82 = 58,987.94/x
  3. Step 3: Cross multiply
    119,001.70x = 178,407.82 × 58,987.94
  4. Step 4: Simplify right side
    119,001.70x = 10,523,909,781.69
  5. Step 5: Solve for x
    x = 10,523,909,781.69/119,001.70
  6. Step 6: Final answer
    x = 88,434.95

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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.