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Finding the Fourth Proportional to 221,962.93, 332,947.47 and 72,204.01

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Solution

The fourth proportional to 221,962.93, 332,947.47 and 72,204.01 is: 108,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,962.93 : 332,947.47 = 72,204.01 : x
  2. Step 2: Convert to fraction form
    221,962.93/332,947.47 = 72,204.01/x
  3. Step 3: Cross multiply
    221,962.93x = 332,947.47 × 72,204.01
  4. Step 4: Simplify right side
    221,962.93x = 24,040,141,891.75
  5. Step 5: Solve for x
    x = 24,040,141,891.75/221,962.93
  6. Step 6: Final answer
    x = 108,307.01

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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.