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Finding the Fourth Proportional to 80,078.68, 110,499 and 44,263.84

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Solution

The fourth proportional to 80,078.68, 110,499 and 44,263.84 is: 61,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,078.68 : 110,499 = 44,263.84 : x
  2. Step 2: Convert to fraction form
    80,078.68/110,499 = 44,263.84/x
  3. Step 3: Cross multiply
    80,078.68x = 110,499 × 44,263.84
  4. Step 4: Simplify right side
    80,078.68x = 4,891,110,056.16
  5. Step 5: Solve for x
    x = 4,891,110,056.16/80,078.68
  6. Step 6: Final answer
    x = 61,078.80

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1.5x scale

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.