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Finding the Fourth Proportional to 268,417.52, 402,331.04 and 110,559.86

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Solution

The fourth proportional to 268,417.52, 402,331.04 and 110,559.86 is: 165,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,417.52 : 402,331.04 = 110,559.86 : x
  2. Step 2: Convert to fraction form
    268,417.52/402,331.04 = 110,559.86/x
  3. Step 3: Cross multiply
    268,417.52x = 402,331.04 × 110,559.86
  4. Step 4: Simplify right side
    268,417.52x = 44,481,663,456.05
  5. Step 5: Solve for x
    x = 44,481,663,456.05/268,417.52
  6. Step 6: Final answer
    x = 165,718.18

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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.