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Finding the Fourth Proportional to 159,393.66, 239,097.09 and 47,073.90

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Solution

The fourth proportional to 159,393.66, 239,097.09 and 47,073.90 is: 70,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,393.66 : 239,097.09 = 47,073.90 : x
  2. Step 2: Convert to fraction form
    159,393.66/239,097.09 = 47,073.90/x
  3. Step 3: Cross multiply
    159,393.66x = 239,097.09 × 47,073.90
  4. Step 4: Simplify right side
    159,393.66x = 11,255,232,504.95
  5. Step 5: Solve for x
    x = 11,255,232,504.95/159,393.66
  6. Step 6: Final answer
    x = 70,612.80

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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.