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Finding the Fourth Proportional to 169,442.84, 254,077.48 and 89,523.72

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Solution

The fourth proportional to 169,442.84, 254,077.48 and 89,523.72 is: 134,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,442.84 : 254,077.48 = 89,523.72 : x
  2. Step 2: Convert to fraction form
    169,442.84/254,077.48 = 89,523.72/x
  3. Step 3: Cross multiply
    169,442.84x = 254,077.48 × 89,523.72
  4. Step 4: Simplify right side
    169,442.84x = 22,745,961,177.83
  5. Step 5: Solve for x
    x = 22,745,961,177.83/169,442.84
  6. Step 6: Final answer
    x = 134,239.73

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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.