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Finding the Fourth Proportional to 88,698.62, 122,431.25 and 54,717.71

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Solution

The fourth proportional to 88,698.62, 122,431.25 and 54,717.71 is: 75,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.62 : 122,431.25 = 54,717.71 : x
  2. Step 2: Convert to fraction form
    88,698.62/122,431.25 = 54,717.71/x
  3. Step 3: Cross multiply
    88,698.62x = 122,431.25 × 54,717.71
  4. Step 4: Simplify right side
    88,698.62x = 6,699,156,746.69
  5. Step 5: Solve for x
    x = 6,699,156,746.69/88,698.62
  6. Step 6: Final answer
    x = 75,527.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.