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Finding the Fourth Proportional to 112,954.80, 169,432.20 and 111,010.80

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Solution

The fourth proportional to 112,954.80, 169,432.20 and 111,010.80 is: 166,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,954.80 : 169,432.20 = 111,010.80 : x
  2. Step 2: Convert to fraction form
    112,954.80/169,432.20 = 111,010.80/x
  3. Step 3: Cross multiply
    112,954.80x = 169,432.20 × 111,010.80
  4. Step 4: Simplify right side
    112,954.80x = 18,808,804,067.76
  5. Step 5: Solve for x
    x = 18,808,804,067.76/112,954.80
  6. Step 6: Final answer
    x = 166,516.20

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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.