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Finding the Fourth Proportional to 108,446.91, 149,656.69 and 60,700.25

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Solution

The fourth proportional to 108,446.91, 149,656.69 and 60,700.25 is: 83,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.91 : 149,656.69 = 60,700.25 : x
  2. Step 2: Convert to fraction form
    108,446.91/149,656.69 = 60,700.25/x
  3. Step 3: Cross multiply
    108,446.91x = 149,656.69 × 60,700.25
  4. Step 4: Simplify right side
    108,446.91x = 9,084,198,497.17
  5. Step 5: Solve for x
    x = 9,084,198,497.17/108,446.91
  6. Step 6: Final answer
    x = 83,766.32

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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.