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Finding the Fourth Proportional to 162,613.80, 243,920.70 and 44,284.95

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Solution

The fourth proportional to 162,613.80, 243,920.70 and 44,284.95 is: 66,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,613.80 : 243,920.70 = 44,284.95 : x
  2. Step 2: Convert to fraction form
    162,613.80/243,920.70 = 44,284.95/x
  3. Step 3: Cross multiply
    162,613.80x = 243,920.70 × 44,284.95
  4. Step 4: Simplify right side
    162,613.80x = 10,802,016,003.47
  5. Step 5: Solve for x
    x = 10,802,016,003.47/162,613.80
  6. Step 6: Final answer
    x = 66,427.43

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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.