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Finding the Fourth Proportional to 221,956.83, 333,172.17 and 95,659.40

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Solution

The fourth proportional to 221,956.83, 333,172.17 and 95,659.40 is: 143,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,956.83 : 333,172.17 = 95,659.40 : x
  2. Step 2: Convert to fraction form
    221,956.83/333,172.17 = 95,659.40/x
  3. Step 3: Cross multiply
    221,956.83x = 333,172.17 × 95,659.40
  4. Step 4: Simplify right side
    221,956.83x = 31,871,050,711.83
  5. Step 5: Solve for x
    x = 31,871,050,711.83/221,956.83
  6. Step 6: Final answer
    x = 143,591.21

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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.