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Finding the Fourth Proportional to 69,581.32, 104,370.96 and 48,214.30

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Solution

The fourth proportional to 69,581.32, 104,370.96 and 48,214.30 is: 72,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581.32 : 104,370.96 = 48,214.30 : x
  2. Step 2: Convert to fraction form
    69,581.32/104,370.96 = 48,214.30/x
  3. Step 3: Cross multiply
    69,581.32x = 104,370.96 × 48,214.30
  4. Step 4: Simplify right side
    69,581.32x = 5,032,172,776.73
  5. Step 5: Solve for x
    x = 5,032,172,776.73/69,581.32
  6. Step 6: Final answer
    x = 72,320.74

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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.