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Finding the Fourth Proportional to 69,337.59, 95,678.87 and 40,255.89

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Solution

The fourth proportional to 69,337.59, 95,678.87 and 40,255.89 is: 55,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.59 : 95,678.87 = 40,255.89 : x
  2. Step 2: Convert to fraction form
    69,337.59/95,678.87 = 40,255.89/x
  3. Step 3: Cross multiply
    69,337.59x = 95,678.87 × 40,255.89
  4. Step 4: Simplify right side
    69,337.59x = 3,851,637,864.76
  5. Step 5: Solve for x
    x = 3,851,637,864.76/69,337.59
  6. Step 6: Final answer
    x = 55,549.06

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Why These Related Problems?

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