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Finding the Fourth Proportional to 158,444.53, 237,617.17 and 53,238.89

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Solution

The fourth proportional to 158,444.53, 237,617.17 and 53,238.89 is: 79,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,444.53 : 237,617.17 = 53,238.89 : x
  2. Step 2: Convert to fraction form
    158,444.53/237,617.17 = 53,238.89/x
  3. Step 3: Cross multiply
    158,444.53x = 237,617.17 × 53,238.89
  4. Step 4: Simplify right side
    158,444.53x = 12,650,474,375.74
  5. Step 5: Solve for x
    x = 12,650,474,375.74/158,444.53
  6. Step 6: Final answer
    x = 79,841.66

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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.