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Finding the Fourth Proportional to 125,562.88, 173,308.32 and 71,864.32

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Solution

The fourth proportional to 125,562.88, 173,308.32 and 71,864.32 is: 99,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,562.88 : 173,308.32 = 71,864.32 : x
  2. Step 2: Convert to fraction form
    125,562.88/173,308.32 = 71,864.32/x
  3. Step 3: Cross multiply
    125,562.88x = 173,308.32 × 71,864.32
  4. Step 4: Simplify right side
    125,562.88x = 12,454,684,567.14
  5. Step 5: Solve for x
    x = 12,454,684,567.14/125,562.88
  6. Step 6: Final answer
    x = 99,190.82

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1.5x scale

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.