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Finding the Fourth Proportional to 70,965.73, 106,390.86 and 26,567.61

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Solution

The fourth proportional to 70,965.73, 106,390.86 and 26,567.61 is: 39,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,965.73 : 106,390.86 = 26,567.61 : x
  2. Step 2: Convert to fraction form
    70,965.73/106,390.86 = 26,567.61/x
  3. Step 3: Cross multiply
    70,965.73x = 106,390.86 × 26,567.61
  4. Step 4: Simplify right side
    70,965.73x = 2,826,550,876.04
  5. Step 5: Solve for x
    x = 2,826,550,876.04/70,965.73
  6. Step 6: Final answer
    x = 39,829.80

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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.