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Finding the Fourth Proportional to 107,244, 147,996.84 and 62,540.64

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Solution

The fourth proportional to 107,244, 147,996.84 and 62,540.64 is: 86,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,244 : 147,996.84 = 62,540.64 : x
  2. Step 2: Convert to fraction form
    107,244/147,996.84 = 62,540.64/x
  3. Step 3: Cross multiply
    107,244x = 147,996.84 × 62,540.64
  4. Step 4: Simplify right side
    107,244x = 9,255,817,091.58
  5. Step 5: Solve for x
    x = 9,255,817,091.58/107,244
  6. Step 6: Final answer
    x = 86,306.15

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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.