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Finding the Fourth Proportional to 124,744.88, 187,129.80 and 36,000.56

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Solution

The fourth proportional to 124,744.88, 187,129.80 and 36,000.56 is: 54,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.88 : 187,129.80 = 36,000.56 : x
  2. Step 2: Convert to fraction form
    124,744.88/187,129.80 = 36,000.56/x
  3. Step 3: Cross multiply
    124,744.88x = 187,129.80 × 36,000.56
  4. Step 4: Simplify right side
    124,744.88x = 6,736,777,592.69
  5. Step 5: Solve for x
    x = 6,736,777,592.69/124,744.88
  6. Step 6: Final answer
    x = 54,004.44

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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.