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Finding the Fourth Proportional to 240,825.66, 361,253.88 and 80,895.12

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Solution

The fourth proportional to 240,825.66, 361,253.88 and 80,895.12 is: 121,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,825.66 : 361,253.88 = 80,895.12 : x
  2. Step 2: Convert to fraction form
    240,825.66/361,253.88 = 80,895.12/x
  3. Step 3: Cross multiply
    240,825.66x = 361,253.88 × 80,895.12
  4. Step 4: Simplify right side
    240,825.66x = 29,223,675,973.07
  5. Step 5: Solve for x
    x = 29,223,675,973.07/240,825.66
  6. Step 6: Final answer
    x = 121,347.85

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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.