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Finding the Fourth Proportional to 124,584.80, 186,877.20 and 96,591.20

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Solution

The fourth proportional to 124,584.80, 186,877.20 and 96,591.20 is: 144,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584.80 : 186,877.20 = 96,591.20 : x
  2. Step 2: Convert to fraction form
    124,584.80/186,877.20 = 96,591.20/x
  3. Step 3: Cross multiply
    124,584.80x = 186,877.20 × 96,591.20
  4. Step 4: Simplify right side
    124,584.80x = 18,050,693,000.64
  5. Step 5: Solve for x
    x = 18,050,693,000.64/124,584.80
  6. Step 6: Final answer
    x = 144,886.80

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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.