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Finding the Fourth Proportional to 108,035.43, 149,089 and 60,288.76

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Solution

The fourth proportional to 108,035.43, 149,089 and 60,288.76 is: 83,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,035.43 : 149,089 = 60,288.76 : x
  2. Step 2: Convert to fraction form
    108,035.43/149,089 = 60,288.76/x
  3. Step 3: Cross multiply
    108,035.43x = 149,089 × 60,288.76
  4. Step 4: Simplify right side
    108,035.43x = 8,988,390,939.64
  5. Step 5: Solve for x
    x = 8,988,390,939.64/108,035.43
  6. Step 6: Final answer
    x = 83,198.55

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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.