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Finding the Fourth Proportional to 98,101.28, 135,343.32 and 59,847.68

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Solution

The fourth proportional to 98,101.28, 135,343.32 and 59,847.68 is: 82,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,101.28 : 135,343.32 = 59,847.68 : x
  2. Step 2: Convert to fraction form
    98,101.28/135,343.32 = 59,847.68/x
  3. Step 3: Cross multiply
    98,101.28x = 135,343.32 × 59,847.68
  4. Step 4: Simplify right side
    98,101.28x = 8,099,983,705.50
  5. Step 5: Solve for x
    x = 8,099,983,705.50/98,101.28
  6. Step 6: Final answer
    x = 82,567.56

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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.