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Finding the Fourth Proportional to 240,515.78, 360,672.17 and 72,060.06

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Solution

The fourth proportional to 240,515.78, 360,672.17 and 72,060.06 is: 108,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,515.78 : 360,672.17 = 72,060.06 : x
  2. Step 2: Convert to fraction form
    240,515.78/360,672.17 = 72,060.06/x
  3. Step 3: Cross multiply
    240,515.78x = 360,672.17 × 72,060.06
  4. Step 4: Simplify right side
    240,515.78x = 25,990,058,210.53
  5. Step 5: Solve for x
    x = 25,990,058,210.53/240,515.78
  6. Step 6: Final answer
    x = 108,059.68

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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.