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Finding the Fourth Proportional to 240,410.52, 360,729.18 and 107,278.92

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Solution

The fourth proportional to 240,410.52, 360,729.18 and 107,278.92 is: 160,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,410.52 : 360,729.18 = 107,278.92 : x
  2. Step 2: Convert to fraction form
    240,410.52/360,729.18 = 107,278.92/x
  3. Step 3: Cross multiply
    240,410.52x = 360,729.18 × 107,278.92
  4. Step 4: Simplify right side
    240,410.52x = 38,698,636,842.89
  5. Step 5: Solve for x
    x = 38,698,636,842.89/240,410.52
  6. Step 6: Final answer
    x = 160,968.98

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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.