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Finding the Fourth Proportional to 163,610.10, 225,776.16 and 91,994.22

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Solution

The fourth proportional to 163,610.10, 225,776.16 and 91,994.22 is: 126,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,610.10 : 225,776.16 = 91,994.22 : x
  2. Step 2: Convert to fraction form
    163,610.10/225,776.16 = 91,994.22/x
  3. Step 3: Cross multiply
    163,610.10x = 225,776.16 × 91,994.22
  4. Step 4: Simplify right side
    163,610.10x = 20,770,101,733.80
  5. Step 5: Solve for x
    x = 20,770,101,733.80/163,610.10
  6. Step 6: Final answer
    x = 126,948.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.