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Finding the Fourth Proportional to 131,959.59, 182,102.99 and 73,815.69

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Solution

The fourth proportional to 131,959.59, 182,102.99 and 73,815.69 is: 101,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,959.59 : 182,102.99 = 73,815.69 : x
  2. Step 2: Convert to fraction form
    131,959.59/182,102.99 = 73,815.69/x
  3. Step 3: Cross multiply
    131,959.59x = 182,102.99 × 73,815.69
  4. Step 4: Simplify right side
    131,959.59x = 13,442,057,915.64
  5. Step 5: Solve for x
    x = 13,442,057,915.64/131,959.59
  6. Step 6: Final answer
    x = 101,864.95

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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.