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Finding the Fourth Proportional to 159,616.82, 239,425.23 and 54,436.70

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Solution

The fourth proportional to 159,616.82, 239,425.23 and 54,436.70 is: 81,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,616.82 : 239,425.23 = 54,436.70 : x
  2. Step 2: Convert to fraction form
    159,616.82/239,425.23 = 54,436.70/x
  3. Step 3: Cross multiply
    159,616.82x = 239,425.23 × 54,436.70
  4. Step 4: Simplify right side
    159,616.82x = 13,033,520,220.64
  5. Step 5: Solve for x
    x = 13,033,520,220.64/159,616.82
  6. Step 6: Final answer
    x = 81,655.05

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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.