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Finding the Fourth Proportional to 240,690.52, 361,014.27 and 72,248.49

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Solution

The fourth proportional to 240,690.52, 361,014.27 and 72,248.49 is: 108,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,690.52 : 361,014.27 = 72,248.49 : x
  2. Step 2: Convert to fraction form
    240,690.52/361,014.27 = 72,248.49/x
  3. Step 3: Cross multiply
    240,690.52x = 361,014.27 × 72,248.49
  4. Step 4: Simplify right side
    240,690.52x = 26,082,735,605.02
  5. Step 5: Solve for x
    x = 26,082,735,605.02/240,690.52
  6. Step 6: Final answer
    x = 108,366.28

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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.