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Finding the Fourth Proportional to 154,704.60, 232,272.90 and 98,890.20

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Solution

The fourth proportional to 154,704.60, 232,272.90 and 98,890.20 is: 148,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,704.60 : 232,272.90 = 98,890.20 : x
  2. Step 2: Convert to fraction form
    154,704.60/232,272.90 = 98,890.20/x
  3. Step 3: Cross multiply
    154,704.60x = 232,272.90 × 98,890.20
  4. Step 4: Simplify right side
    154,704.60x = 22,969,513,535.58
  5. Step 5: Solve for x
    x = 22,969,513,535.58/154,704.60
  6. Step 6: Final answer
    x = 148,473.37

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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.