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Finding the Fourth Proportional to 221,718.76, 332,579.96 and 95,350.25

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Solution

The fourth proportional to 221,718.76, 332,579.96 and 95,350.25 is: 143,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,718.76 : 332,579.96 = 95,350.25 : x
  2. Step 2: Convert to fraction form
    221,718.76/332,579.96 = 95,350.25/x
  3. Step 3: Cross multiply
    221,718.76x = 332,579.96 × 95,350.25
  4. Step 4: Simplify right side
    221,718.76x = 31,711,583,043.25
  5. Step 5: Solve for x
    x = 31,711,583,043.25/221,718.76
  6. Step 6: Final answer
    x = 143,026.16

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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.