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Finding the Fourth Proportional to 159,901.68, 239,830.66 and 47,599.24

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Solution

The fourth proportional to 159,901.68, 239,830.66 and 47,599.24 is: 71,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,901.68 : 239,830.66 = 47,599.24 : x
  2. Step 2: Convert to fraction form
    159,901.68/239,830.66 = 47,599.24/x
  3. Step 3: Cross multiply
    159,901.68x = 239,830.66 × 47,599.24
  4. Step 4: Simplify right side
    159,901.68x = 11,415,757,144.70
  5. Step 5: Solve for x
    x = 11,415,757,144.70/159,901.68
  6. Step 6: Final answer
    x = 71,392.35

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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.