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Finding the Fourth Proportional to 221,799.70, 332,116.35 and 162,313.30

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Solution

The fourth proportional to 221,799.70, 332,116.35 and 162,313.30 is: 243,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,799.70 : 332,116.35 = 162,313.30 : x
  2. Step 2: Convert to fraction form
    221,799.70/332,116.35 = 162,313.30/x
  3. Step 3: Cross multiply
    221,799.70x = 332,116.35 × 162,313.30
  4. Step 4: Simplify right side
    221,799.70x = 53,906,900,752.46
  5. Step 5: Solve for x
    x = 53,906,900,752.46/221,799.70
  6. Step 6: Final answer
    x = 243,043.16

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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.