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Finding the Fourth Proportional to 159,880.61, 239,831.31 and 53,260.04

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Solution

The fourth proportional to 159,880.61, 239,831.31 and 53,260.04 is: 79,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,880.61 : 239,831.31 = 53,260.04 : x
  2. Step 2: Convert to fraction form
    159,880.61/239,831.31 = 53,260.04/x
  3. Step 3: Cross multiply
    159,880.61x = 239,831.31 × 53,260.04
  4. Step 4: Simplify right side
    159,880.61x = 12,773,425,163.85
  5. Step 5: Solve for x
    x = 12,773,425,163.85/159,880.61
  6. Step 6: Final answer
    x = 79,893.52

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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.