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Finding the Fourth Proportional to 108,876.87, 150,257.49 and 60,484.32

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Solution

The fourth proportional to 108,876.87, 150,257.49 and 60,484.32 is: 83,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.87 : 150,257.49 = 60,484.32 : x
  2. Step 2: Convert to fraction form
    108,876.87/150,257.49 = 60,484.32/x
  3. Step 3: Cross multiply
    108,876.87x = 150,257.49 × 60,484.32
  4. Step 4: Simplify right side
    108,876.87x = 9,088,222,107.56
  5. Step 5: Solve for x
    x = 9,088,222,107.56/108,876.87
  6. Step 6: Final answer
    x = 83,472.48

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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.