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Finding the Fourth Proportional to 221,873.40, 332,615.70 and 133,032.60

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Solution

The fourth proportional to 221,873.40, 332,615.70 and 133,032.60 is: 199,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,873.40 : 332,615.70 = 133,032.60 : x
  2. Step 2: Convert to fraction form
    221,873.40/332,615.70 = 133,032.60/x
  3. Step 3: Cross multiply
    221,873.40x = 332,615.70 × 133,032.60
  4. Step 4: Simplify right side
    221,873.40x = 44,248,731,371.82
  5. Step 5: Solve for x
    x = 44,248,731,371.82/221,873.40
  6. Step 6: Final answer
    x = 199,432.34

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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.