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Finding the Fourth Proportional to 221,603.80, 332,016.90 and 181,946.20

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Solution

The fourth proportional to 221,603.80, 332,016.90 and 181,946.20 is: 272,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,603.80 : 332,016.90 = 181,946.20 : x
  2. Step 2: Convert to fraction form
    221,603.80/332,016.90 = 181,946.20/x
  3. Step 3: Cross multiply
    221,603.80x = 332,016.90 × 181,946.20
  4. Step 4: Simplify right side
    221,603.80x = 60,409,213,290.78
  5. Step 5: Solve for x
    x = 60,409,213,290.78/221,603.80
  6. Step 6: Final answer
    x = 272,600.08

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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.