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Finding the Fourth Proportional to 162,326.43, 243,358.49 and 67,627.98

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Solution

The fourth proportional to 162,326.43, 243,358.49 and 67,627.98 is: 101,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,326.43 : 243,358.49 = 67,627.98 : x
  2. Step 2: Convert to fraction form
    162,326.43/243,358.49 = 67,627.98/x
  3. Step 3: Cross multiply
    162,326.43x = 243,358.49 × 67,627.98
  4. Step 4: Simplify right side
    162,326.43x = 16,457,843,263.62
  5. Step 5: Solve for x
    x = 16,457,843,263.62/162,326.43
  6. Step 6: Final answer
    x = 101,387.33

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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.