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Finding the Fourth Proportional to 268,854.56, 403,373.04 and 119,074.72

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Solution

The fourth proportional to 268,854.56, 403,373.04 and 119,074.72 is: 178,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,854.56 : 403,373.04 = 119,074.72 : x
  2. Step 2: Convert to fraction form
    268,854.56/403,373.04 = 119,074.72/x
  3. Step 3: Cross multiply
    268,854.56x = 403,373.04 × 119,074.72
  4. Step 4: Simplify right side
    268,854.56x = 48,031,531,793.55
  5. Step 5: Solve for x
    x = 48,031,531,793.55/268,854.56
  6. Step 6: Final answer
    x = 178,652.47

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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.