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Finding the Fourth Proportional to 71,959.14, 107,951.19 and 22,038.06

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Solution

The fourth proportional to 71,959.14, 107,951.19 and 22,038.06 is: 33,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,959.14 : 107,951.19 = 22,038.06 : x
  2. Step 2: Convert to fraction form
    71,959.14/107,951.19 = 22,038.06/x
  3. Step 3: Cross multiply
    71,959.14x = 107,951.19 × 22,038.06
  4. Step 4: Simplify right side
    71,959.14x = 2,379,034,802.29
  5. Step 5: Solve for x
    x = 2,379,034,802.29/71,959.14
  6. Step 6: Final answer
    x = 33,060.91

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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.