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Finding the Fourth Proportional to 125,655.87, 188,483.69 and 32,161.47

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Solution

The fourth proportional to 125,655.87, 188,483.69 and 32,161.47 is: 48,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.87 : 188,483.69 = 32,161.47 : x
  2. Step 2: Convert to fraction form
    125,655.87/188,483.69 = 32,161.47/x
  3. Step 3: Cross multiply
    125,655.87x = 188,483.69 × 32,161.47
  4. Step 4: Simplify right side
    125,655.87x = 6,061,912,380.62
  5. Step 5: Solve for x
    x = 6,061,912,380.62/125,655.87
  6. Step 6: Final answer
    x = 48,242.17

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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.