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Finding the Fourth Proportional to 125,146.56, 187,750.59 and 36,400.83

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Solution

The fourth proportional to 125,146.56, 187,750.59 and 36,400.83 is: 54,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,146.56 : 187,750.59 = 36,400.83 : x
  2. Step 2: Convert to fraction form
    125,146.56/187,750.59 = 36,400.83/x
  3. Step 3: Cross multiply
    125,146.56x = 187,750.59 × 36,400.83
  4. Step 4: Simplify right side
    125,146.56x = 6,834,277,308.99
  5. Step 5: Solve for x
    x = 6,834,277,308.99/125,146.56
  6. Step 6: Final answer
    x = 54,610.19

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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.