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Finding the Fourth Proportional to 88,743.74, 122,493.48 and 54,762.62

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Solution

The fourth proportional to 88,743.74, 122,493.48 and 54,762.62 is: 75,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,743.74 : 122,493.48 = 54,762.62 : x
  2. Step 2: Convert to fraction form
    88,743.74/122,493.48 = 54,762.62/x
  3. Step 3: Cross multiply
    88,743.74x = 122,493.48 × 54,762.62
  4. Step 4: Simplify right side
    88,743.74x = 6,708,063,897.72
  5. Step 5: Solve for x
    x = 6,708,063,897.72/88,743.74
  6. Step 6: Final answer
    x = 75,589.15

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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.