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Finding the Fourth Proportional to 110,546.68, 152,554.80 and 62,815.90

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Solution

The fourth proportional to 110,546.68, 152,554.80 and 62,815.90 is: 86,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,546.68 : 152,554.80 = 62,815.90 : x
  2. Step 2: Convert to fraction form
    110,546.68/152,554.80 = 62,815.90/x
  3. Step 3: Cross multiply
    110,546.68x = 152,554.80 × 62,815.90
  4. Step 4: Simplify right side
    110,546.68x = 9,582,867,061.32
  5. Step 5: Solve for x
    x = 9,582,867,061.32/110,546.68
  6. Step 6: Final answer
    x = 86,686.16

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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.