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Finding the Fourth Proportional to 109,359.38, 150,915.95 and 59,058.38

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Solution

The fourth proportional to 109,359.38, 150,915.95 and 59,058.38 is: 81,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.38 : 150,915.95 = 59,058.38 : x
  2. Step 2: Convert to fraction form
    109,359.38/150,915.95 = 59,058.38/x
  3. Step 3: Cross multiply
    109,359.38x = 150,915.95 × 59,058.38
  4. Step 4: Simplify right side
    109,359.38x = 8,912,850,473.29
  5. Step 5: Solve for x
    x = 8,912,850,473.29/109,359.38
  6. Step 6: Final answer
    x = 81,500.56

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1.5x scale

Why These Related Problems?

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