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Finding the Fourth Proportional to 88,898.88, 122,627.16 and 58,684.80

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Solution

The fourth proportional to 88,898.88, 122,627.16 and 58,684.80 is: 80,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.88 : 122,627.16 = 58,684.80 : x
  2. Step 2: Convert to fraction form
    88,898.88/122,627.16 = 58,684.80/x
  3. Step 3: Cross multiply
    88,898.88x = 122,627.16 × 58,684.80
  4. Step 4: Simplify right side
    88,898.88x = 7,196,350,359.17
  5. Step 5: Solve for x
    x = 7,196,350,359.17/88,898.88
  6. Step 6: Final answer
    x = 80,949.84

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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.