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Finding the Fourth Proportional to 221,473.08, 332,188.54 and 88,317.72

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Solution

The fourth proportional to 221,473.08, 332,188.54 and 88,317.72 is: 132,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,473.08 : 332,188.54 = 88,317.72 : x
  2. Step 2: Convert to fraction form
    221,473.08/332,188.54 = 88,317.72/x
  3. Step 3: Cross multiply
    221,473.08x = 332,188.54 × 88,317.72
  4. Step 4: Simplify right side
    221,473.08x = 29,338,134,462.93
  5. Step 5: Solve for x
    x = 29,338,134,462.93/221,473.08
  6. Step 6: Final answer
    x = 132,468.17

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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.