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Finding the Fourth Proportional to 185,952.40, 256,737.89 and 142,855.13

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Solution

The fourth proportional to 185,952.40, 256,737.89 and 142,855.13 is: 197,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,952.40 : 256,737.89 = 142,855.13 : x
  2. Step 2: Convert to fraction form
    185,952.40/256,737.89 = 142,855.13/x
  3. Step 3: Cross multiply
    185,952.40x = 256,737.89 × 142,855.13
  4. Step 4: Simplify right side
    185,952.40x = 36,676,324,651.88
  5. Step 5: Solve for x
    x = 36,676,324,651.88/185,952.40
  6. Step 6: Final answer
    x = 197,235.02

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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.