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Finding the Fourth Proportional to 125,031, 187,546.50 and 37,479

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Solution

The fourth proportional to 125,031, 187,546.50 and 37,479 is: 56,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,031 : 187,546.50 = 37,479 : x
  2. Step 2: Convert to fraction form
    125,031/187,546.50 = 37,479/x
  3. Step 3: Cross multiply
    125,031x = 187,546.50 × 37,479
  4. Step 4: Simplify right side
    125,031x = 7,029,055,273.50
  5. Step 5: Solve for x
    x = 7,029,055,273.50/125,031
  6. Step 6: Final answer
    x = 56,218.50

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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.