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Finding the Fourth Proportional to 221,753.28, 332,866.80 and 95,456.10

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Solution

The fourth proportional to 221,753.28, 332,866.80 and 95,456.10 is: 143,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,753.28 : 332,866.80 = 95,456.10 : x
  2. Step 2: Convert to fraction form
    221,753.28/332,866.80 = 95,456.10/x
  3. Step 3: Cross multiply
    221,753.28x = 332,866.80 × 95,456.10
  4. Step 4: Simplify right side
    221,753.28x = 31,774,166,547.48
  5. Step 5: Solve for x
    x = 31,774,166,547.48/221,753.28
  6. Step 6: Final answer
    x = 143,286.12

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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.