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Finding the Fourth Proportional to 162,394.32, 243,251.28 and 103,199.52

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Solution

The fourth proportional to 162,394.32, 243,251.28 and 103,199.52 is: 154,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,394.32 : 243,251.28 = 103,199.52 : x
  2. Step 2: Convert to fraction form
    162,394.32/243,251.28 = 103,199.52/x
  3. Step 3: Cross multiply
    162,394.32x = 243,251.28 × 103,199.52
  4. Step 4: Simplify right side
    162,394.32x = 25,103,415,335.39
  5. Step 5: Solve for x
    x = 25,103,415,335.39/162,394.32
  6. Step 6: Final answer
    x = 154,583.09

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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.