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Finding the Fourth Proportional to 99,080.62, 148,424.08 and 54,597.04

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Solution

The fourth proportional to 99,080.62, 148,424.08 and 54,597.04 is: 81,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080.62 : 148,424.08 = 54,597.04 : x
  2. Step 2: Convert to fraction form
    99,080.62/148,424.08 = 54,597.04/x
  3. Step 3: Cross multiply
    99,080.62x = 148,424.08 × 54,597.04
  4. Step 4: Simplify right side
    99,080.62x = 8,103,515,432.72
  5. Step 5: Solve for x
    x = 8,103,515,432.72/99,080.62
  6. Step 6: Final answer
    x = 81,787.09

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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.