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Finding the Fourth Proportional to 98,616.64, 136,093.64 and 60,375.44

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Solution

The fourth proportional to 98,616.64, 136,093.64 and 60,375.44 is: 83,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,616.64 : 136,093.64 = 60,375.44 : x
  2. Step 2: Convert to fraction form
    98,616.64/136,093.64 = 60,375.44/x
  3. Step 3: Cross multiply
    98,616.64x = 136,093.64 × 60,375.44
  4. Step 4: Simplify right side
    98,616.64x = 8,216,713,396.20
  5. Step 5: Solve for x
    x = 8,216,713,396.20/98,616.64
  6. Step 6: Final answer
    x = 83,319.75

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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.