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Finding the Fourth Proportional to 108,349.92, 149,528.70 and 60,600.42

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Solution

The fourth proportional to 108,349.92, 149,528.70 and 60,600.42 is: 83,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,349.92 : 149,528.70 = 60,600.42 : x
  2. Step 2: Convert to fraction form
    108,349.92/149,528.70 = 60,600.42/x
  3. Step 3: Cross multiply
    108,349.92x = 149,528.70 × 60,600.42
  4. Step 4: Simplify right side
    108,349.92x = 9,061,502,022.05
  5. Step 5: Solve for x
    x = 9,061,502,022.05/108,349.92
  6. Step 6: Final answer
    x = 83,631.83

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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.