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Finding the Fourth Proportional to 125,326.64, 187,550.68 and 89,827.10

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Solution

The fourth proportional to 125,326.64, 187,550.68 and 89,827.10 is: 134,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,326.64 : 187,550.68 = 89,827.10 : x
  2. Step 2: Convert to fraction form
    125,326.64/187,550.68 = 89,827.10/x
  3. Step 3: Cross multiply
    125,326.64x = 187,550.68 × 89,827.10
  4. Step 4: Simplify right side
    125,326.64x = 16,847,133,687.43
  5. Step 5: Solve for x
    x = 16,847,133,687.43/125,326.64
  6. Step 6: Final answer
    x = 134,425.80

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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.