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Finding the Fourth Proportional to 113,674.56, 170,512.42 and 29,428.82

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Solution

The fourth proportional to 113,674.56, 170,512.42 and 29,428.82 is: 44,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674.56 : 170,512.42 = 29,428.82 : x
  2. Step 2: Convert to fraction form
    113,674.56/170,512.42 = 29,428.82/x
  3. Step 3: Cross multiply
    113,674.56x = 170,512.42 × 29,428.82
  4. Step 4: Simplify right side
    113,674.56x = 5,017,979,001.64
  5. Step 5: Solve for x
    x = 5,017,979,001.64/113,674.56
  6. Step 6: Final answer
    x = 44,143.38

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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.