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Finding the Fourth Proportional to 112,655.80, 169,005.57 and 33,763.42

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Solution

The fourth proportional to 112,655.80, 169,005.57 and 33,763.42 is: 50,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,655.80 : 169,005.57 = 33,763.42 : x
  2. Step 2: Convert to fraction form
    112,655.80/169,005.57 = 33,763.42/x
  3. Step 3: Cross multiply
    112,655.80x = 169,005.57 × 33,763.42
  4. Step 4: Simplify right side
    112,655.80x = 5,706,206,042.25
  5. Step 5: Solve for x
    x = 5,706,206,042.25/112,655.80
  6. Step 6: Final answer
    x = 50,651.68

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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.