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Finding the Fourth Proportional to 79,925.72, 110,289.64 and 44,113.42

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Solution

The fourth proportional to 79,925.72, 110,289.64 and 44,113.42 is: 60,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,925.72 : 110,289.64 = 44,113.42 : x
  2. Step 2: Convert to fraction form
    79,925.72/110,289.64 = 44,113.42/x
  3. Step 3: Cross multiply
    79,925.72x = 110,289.64 × 44,113.42
  4. Step 4: Simplify right side
    79,925.72x = 4,865,253,210.97
  5. Step 5: Solve for x
    x = 4,865,253,210.97/79,925.72
  6. Step 6: Final answer
    x = 60,872.18

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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.