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Finding the Fourth Proportional to 108,089.84, 149,163 and 60,340.16

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Solution

The fourth proportional to 108,089.84, 149,163 and 60,340.16 is: 83,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,089.84 : 149,163 = 60,340.16 : x
  2. Step 2: Convert to fraction form
    108,089.84/149,163 = 60,340.16/x
  3. Step 3: Cross multiply
    108,089.84x = 149,163 × 60,340.16
  4. Step 4: Simplify right side
    108,089.84x = 9,000,519,286.08
  5. Step 5: Solve for x
    x = 9,000,519,286.08/108,089.84
  6. Step 6: Final answer
    x = 83,268.87

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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.