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Finding the Fourth Proportional to 221,483.52, 332,278.08 and 71,723.92

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Solution

The fourth proportional to 221,483.52, 332,278.08 and 71,723.92 is: 107,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,483.52 : 332,278.08 = 71,723.92 : x
  2. Step 2: Convert to fraction form
    221,483.52/332,278.08 = 71,723.92/x
  3. Step 3: Cross multiply
    221,483.52x = 332,278.08 × 71,723.92
  4. Step 4: Simplify right side
    221,483.52x = 23,832,286,427.67
  5. Step 5: Solve for x
    x = 23,832,286,427.67/221,483.52
  6. Step 6: Final answer
    x = 107,602.98

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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.