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Finding the Fourth Proportional to 61,473.92, 92,179.14 and 28,165.43

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Solution

The fourth proportional to 61,473.92, 92,179.14 and 28,165.43 is: 42,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,473.92 : 92,179.14 = 28,165.43 : x
  2. Step 2: Convert to fraction form
    61,473.92/92,179.14 = 28,165.43/x
  3. Step 3: Cross multiply
    61,473.92x = 92,179.14 × 28,165.43
  4. Step 4: Simplify right side
    61,473.92x = 2,596,265,345.58
  5. Step 5: Solve for x
    x = 2,596,265,345.58/61,473.92
  6. Step 6: Final answer
    x = 42,233.61

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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.