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Finding the Fourth Proportional to 268,418.34, 402,332.24 and 110,560.68

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Solution

The fourth proportional to 268,418.34, 402,332.24 and 110,560.68 is: 165,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,418.34 : 402,332.24 = 110,560.68 : x
  2. Step 2: Convert to fraction form
    268,418.34/402,332.24 = 110,560.68/x
  3. Step 3: Cross multiply
    268,418.34x = 402,332.24 × 110,560.68
  4. Step 4: Simplify right side
    268,418.34x = 44,482,126,316.72
  5. Step 5: Solve for x
    x = 44,482,126,316.72/268,418.34
  6. Step 6: Final answer
    x = 165,719.40

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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.