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Finding the Fourth Proportional to 240,712.76, 361,104.35 and 72,246.41

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Solution

The fourth proportional to 240,712.76, 361,104.35 and 72,246.41 is: 108,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,712.76 : 361,104.35 = 72,246.41 : x
  2. Step 2: Convert to fraction form
    240,712.76/361,104.35 = 72,246.41/x
  3. Step 3: Cross multiply
    240,712.76x = 361,104.35 × 72,246.41
  4. Step 4: Simplify right side
    240,712.76x = 26,088,490,756.13
  5. Step 5: Solve for x
    x = 26,088,490,756.13/240,712.76
  6. Step 6: Final answer
    x = 108,380.18

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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.