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Finding the Fourth Proportional to 221,352.30, 332,112.29 and 132,669.45

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Solution

The fourth proportional to 221,352.30, 332,112.29 and 132,669.45 is: 199,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,352.30 : 332,112.29 = 132,669.45 : x
  2. Step 2: Convert to fraction form
    221,352.30/332,112.29 = 132,669.45/x
  3. Step 3: Cross multiply
    221,352.30x = 332,112.29 × 132,669.45
  4. Step 4: Simplify right side
    221,352.30x = 44,061,154,189.19
  5. Step 5: Solve for x
    x = 44,061,154,189.19/221,352.30
  6. Step 6: Final answer
    x = 199,054.42

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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.