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Finding the Fourth Proportional to 159,807.96, 239,750.94 and 53,191.71

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Solution

The fourth proportional to 159,807.96, 239,750.94 and 53,191.71 is: 79,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,807.96 : 239,750.94 = 53,191.71 : x
  2. Step 2: Convert to fraction form
    159,807.96/239,750.94 = 53,191.71/x
  3. Step 3: Cross multiply
    159,807.96x = 239,750.94 × 53,191.71
  4. Step 4: Simplify right side
    159,807.96x = 12,752,762,472.71
  5. Step 5: Solve for x
    x = 12,752,762,472.71/159,807.96
  6. Step 6: Final answer
    x = 79,800.55

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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.