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Finding the Fourth Proportional to 221,776.40, 332,873.40 and 116,670.80

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Solution

The fourth proportional to 221,776.40, 332,873.40 and 116,670.80 is: 175,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,776.40 : 332,873.40 = 116,670.80 : x
  2. Step 2: Convert to fraction form
    221,776.40/332,873.40 = 116,670.80/x
  3. Step 3: Cross multiply
    221,776.40x = 332,873.40 × 116,670.80
  4. Step 4: Simplify right side
    221,776.40x = 38,836,605,876.72
  5. Step 5: Solve for x
    x = 38,836,605,876.72/221,776.40
  6. Step 6: Final answer
    x = 175,116.04

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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.