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Finding the Fourth Proportional to 239,843.52, 359,732.49 and 71,389.85

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Solution

The fourth proportional to 239,843.52, 359,732.49 and 71,389.85 is: 107,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,843.52 : 359,732.49 = 71,389.85 : x
  2. Step 2: Convert to fraction form
    239,843.52/359,732.49 = 71,389.85/x
  3. Step 3: Cross multiply
    239,843.52x = 359,732.49 × 71,389.85
  4. Step 4: Simplify right side
    239,843.52x = 25,681,246,702.56
  5. Step 5: Solve for x
    x = 25,681,246,702.56/239,843.52
  6. Step 6: Final answer
    x = 107,075.01

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1.5x scale

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.