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Finding the Fourth Proportional to 159,384.68, 239,019.57 and 52,748.93

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Solution

The fourth proportional to 159,384.68, 239,019.57 and 52,748.93 is: 79,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,384.68 : 239,019.57 = 52,748.93 : x
  2. Step 2: Convert to fraction form
    159,384.68/239,019.57 = 52,748.93/x
  3. Step 3: Cross multiply
    159,384.68x = 239,019.57 × 52,748.93
  4. Step 4: Simplify right side
    159,384.68x = 12,608,027,164.11
  5. Step 5: Solve for x
    x = 12,608,027,164.11/159,384.68
  6. Step 6: Final answer
    x = 79,104.39

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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.