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Finding the Fourth Proportional to 169,702.12, 254,559.66 and 45,044.20

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Solution

The fourth proportional to 169,702.12, 254,559.66 and 45,044.20 is: 67,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,702.12 : 254,559.66 = 45,044.20 : x
  2. Step 2: Convert to fraction form
    169,702.12/254,559.66 = 45,044.20/x
  3. Step 3: Cross multiply
    169,702.12x = 254,559.66 × 45,044.20
  4. Step 4: Simplify right side
    169,702.12x = 11,466,436,236.97
  5. Step 5: Solve for x
    x = 11,466,436,236.97/169,702.12
  6. Step 6: Final answer
    x = 67,568.02

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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.