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Finding the Fourth Proportional to 55,162.91, 76,113.14 and 36,070.61

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Solution

The fourth proportional to 55,162.91, 76,113.14 and 36,070.61 is: 49,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.91 : 76,113.14 = 36,070.61 : x
  2. Step 2: Convert to fraction form
    55,162.91/76,113.14 = 36,070.61/x
  3. Step 3: Cross multiply
    55,162.91x = 76,113.14 × 36,070.61
  4. Step 4: Simplify right side
    55,162.91x = 2,745,446,827.90
  5. Step 5: Solve for x
    x = 2,745,446,827.90/55,162.91
  6. Step 6: Final answer
    x = 49,769.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.