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Finding the Fourth Proportional to 80,479.53, 111,056.53 and 44,669.55

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Solution

The fourth proportional to 80,479.53, 111,056.53 and 44,669.55 is: 61,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,479.53 : 111,056.53 = 44,669.55 : x
  2. Step 2: Convert to fraction form
    80,479.53/111,056.53 = 44,669.55/x
  3. Step 3: Cross multiply
    80,479.53x = 111,056.53 × 44,669.55
  4. Step 4: Simplify right side
    80,479.53x = 4,960,845,219.66
  5. Step 5: Solve for x
    x = 4,960,845,219.66/80,479.53
  6. Step 6: Final answer
    x = 61,641.08

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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.