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Finding the Fourth Proportional to 125,187.59, 187,812.11 and 36,441.89

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Solution

The fourth proportional to 125,187.59, 187,812.11 and 36,441.89 is: 54,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.59 : 187,812.11 = 36,441.89 : x
  2. Step 2: Convert to fraction form
    125,187.59/187,812.11 = 36,441.89/x
  3. Step 3: Cross multiply
    125,187.59x = 187,812.11 × 36,441.89
  4. Step 4: Simplify right side
    125,187.59x = 6,844,228,071.08
  5. Step 5: Solve for x
    x = 6,844,228,071.08/125,187.59
  6. Step 6: Final answer
    x = 54,671.78

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1.5x scale

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.