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Finding the Fourth Proportional to 88,486.56, 122,104.08 and 50,752.80

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Solution

The fourth proportional to 88,486.56, 122,104.08 and 50,752.80 is: 70,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,486.56 : 122,104.08 = 50,752.80 : x
  2. Step 2: Convert to fraction form
    88,486.56/122,104.08 = 50,752.80/x
  3. Step 3: Cross multiply
    88,486.56x = 122,104.08 × 50,752.80
  4. Step 4: Simplify right side
    88,486.56x = 6,197,123,951.42
  5. Step 5: Solve for x
    x = 6,197,123,951.42/88,486.56
  6. Step 6: Final answer
    x = 70,034.64

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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.