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Finding the Fourth Proportional to 77,568.01, 107,043.79 and 44,034.01

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Solution

The fourth proportional to 77,568.01, 107,043.79 and 44,034.01 is: 60,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.01 : 107,043.79 = 44,034.01 : x
  2. Step 2: Convert to fraction form
    77,568.01/107,043.79 = 44,034.01/x
  3. Step 3: Cross multiply
    77,568.01x = 107,043.79 × 44,034.01
  4. Step 4: Simplify right side
    77,568.01x = 4,713,567,319.30
  5. Step 5: Solve for x
    x = 4,713,567,319.30/77,568.01
  6. Step 6: Final answer
    x = 60,766.90

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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.