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Finding the Fourth Proportional to 125,241.75, 187,873.56 and 31,747.50

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Solution

The fourth proportional to 125,241.75, 187,873.56 and 31,747.50 is: 47,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,241.75 : 187,873.56 = 31,747.50 : x
  2. Step 2: Convert to fraction form
    125,241.75/187,873.56 = 31,747.50/x
  3. Step 3: Cross multiply
    125,241.75x = 187,873.56 × 31,747.50
  4. Step 4: Simplify right side
    125,241.75x = 5,964,515,846.10
  5. Step 5: Solve for x
    x = 5,964,515,846.10/125,241.75
  6. Step 6: Final answer
    x = 47,624.02

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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.