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Finding the Fourth Proportional to 101,464.80, 152,488.80 and 88,634.40

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Solution

The fourth proportional to 101,464.80, 152,488.80 and 88,634.40 is: 133,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,464.80 : 152,488.80 = 88,634.40 : x
  2. Step 2: Convert to fraction form
    101,464.80/152,488.80 = 88,634.40/x
  3. Step 3: Cross multiply
    101,464.80x = 152,488.80 × 88,634.40
  4. Step 4: Simplify right side
    101,464.80x = 13,515,753,294.72
  5. Step 5: Solve for x
    x = 13,515,753,294.72/101,464.80
  6. Step 6: Final answer
    x = 133,206.33

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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.