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Finding the Fourth Proportional to 109,743, 151,445.40 and 59,442

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Solution

The fourth proportional to 109,743, 151,445.40 and 59,442 is: 82,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,743 : 151,445.40 = 59,442 : x
  2. Step 2: Convert to fraction form
    109,743/151,445.40 = 59,442/x
  3. Step 3: Cross multiply
    109,743x = 151,445.40 × 59,442
  4. Step 4: Simplify right side
    109,743x = 9,002,217,466.80
  5. Step 5: Solve for x
    x = 9,002,217,466.80/109,743
  6. Step 6: Final answer
    x = 82,029.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.