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Finding the Fourth Proportional to 80,319.52, 110,843.80 and 48,482.20

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Solution

The fourth proportional to 80,319.52, 110,843.80 and 48,482.20 is: 66,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.52 : 110,843.80 = 48,482.20 : x
  2. Step 2: Convert to fraction form
    80,319.52/110,843.80 = 48,482.20/x
  3. Step 3: Cross multiply
    80,319.52x = 110,843.80 × 48,482.20
  4. Step 4: Simplify right side
    80,319.52x = 5,373,951,280.36
  5. Step 5: Solve for x
    x = 5,373,951,280.36/80,319.52
  6. Step 6: Final answer
    x = 66,907.16

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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.