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Finding the Fourth Proportional to 112,759.98, 169,127.01 and 29,660.46

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Solution

The fourth proportional to 112,759.98, 169,127.01 and 29,660.46 is: 44,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.98 : 169,127.01 = 29,660.46 : x
  2. Step 2: Convert to fraction form
    112,759.98/169,127.01 = 29,660.46/x
  3. Step 3: Cross multiply
    112,759.98x = 169,127.01 × 29,660.46
  4. Step 4: Simplify right side
    112,759.98x = 5,016,384,915.02
  5. Step 5: Solve for x
    x = 5,016,384,915.02/112,759.98
  6. Step 6: Final answer
    x = 44,487.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.