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Finding the Fourth Proportional to 69,080.90, 103,621.35 and 63,832.10

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Solution

The fourth proportional to 69,080.90, 103,621.35 and 63,832.10 is: 95,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.90 : 103,621.35 = 63,832.10 : x
  2. Step 2: Convert to fraction form
    69,080.90/103,621.35 = 63,832.10/x
  3. Step 3: Cross multiply
    69,080.90x = 103,621.35 × 63,832.10
  4. Step 4: Simplify right side
    69,080.90x = 6,614,368,375.34
  5. Step 5: Solve for x
    x = 6,614,368,375.34/69,080.90
  6. Step 6: Final answer
    x = 95,748.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.