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Finding the Fourth Proportional to 113,317, 169,979.10 and 34,431.92

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Solution

The fourth proportional to 113,317, 169,979.10 and 34,431.92 is: 51,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,317 : 169,979.10 = 34,431.92 : x
  2. Step 2: Convert to fraction form
    113,317/169,979.10 = 34,431.92/x
  3. Step 3: Cross multiply
    113,317x = 169,979.10 × 34,431.92
  4. Step 4: Simplify right side
    113,317x = 5,852,706,772.87
  5. Step 5: Solve for x
    x = 5,852,706,772.87/113,317
  6. Step 6: Final answer
    x = 51,648.97

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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.