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Finding the Fourth Proportional to 80,507.10, 111,102.66 and 44,697.66

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Solution

The fourth proportional to 80,507.10, 111,102.66 and 44,697.66 is: 61,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,507.10 : 111,102.66 = 44,697.66 : x
  2. Step 2: Convert to fraction form
    80,507.10/111,102.66 = 44,697.66/x
  3. Step 3: Cross multiply
    80,507.10x = 111,102.66 × 44,697.66
  4. Step 4: Simplify right side
    80,507.10x = 4,966,028,921.78
  5. Step 5: Solve for x
    x = 4,966,028,921.78/80,507.10
  6. Step 6: Final answer
    x = 61,684.36

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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.