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Finding the Fourth Proportional to 159,894.35, 239,761.19 and 53,240.60

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Solution

The fourth proportional to 159,894.35, 239,761.19 and 53,240.60 is: 79,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894.35 : 239,761.19 = 53,240.60 : x
  2. Step 2: Convert to fraction form
    159,894.35/239,761.19 = 53,240.60/x
  3. Step 3: Cross multiply
    159,894.35x = 239,761.19 × 53,240.60
  4. Step 4: Simplify right side
    159,894.35x = 12,765,030,344.82
  5. Step 5: Solve for x
    x = 12,765,030,344.82/159,894.35
  6. Step 6: Final answer
    x = 79,834.16

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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.