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Finding the Fourth Proportional to 169,614.20, 254,421.30 and 44,955.20

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Solution

The fourth proportional to 169,614.20, 254,421.30 and 44,955.20 is: 67,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.20 : 254,421.30 = 44,955.20 : x
  2. Step 2: Convert to fraction form
    169,614.20/254,421.30 = 44,955.20/x
  3. Step 3: Cross multiply
    169,614.20x = 254,421.30 × 44,955.20
  4. Step 4: Simplify right side
    169,614.20x = 11,437,560,425.76
  5. Step 5: Solve for x
    x = 11,437,560,425.76/169,614.20
  6. Step 6: Final answer
    x = 67,432.80

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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.