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Finding the Fourth Proportional to 107,118.88, 147,821.52 and 62,404

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Solution

The fourth proportional to 107,118.88, 147,821.52 and 62,404 is: 86,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,118.88 : 147,821.52 = 62,404 : x
  2. Step 2: Convert to fraction form
    107,118.88/147,821.52 = 62,404/x
  3. Step 3: Cross multiply
    107,118.88x = 147,821.52 × 62,404
  4. Step 4: Simplify right side
    107,118.88x = 9,224,654,134.08
  5. Step 5: Solve for x
    x = 9,224,654,134.08/107,118.88
  6. Step 6: Final answer
    x = 86,116.04

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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.