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Finding the Fourth Proportional to 88,608.70, 122,279.93 and 48,322.54

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Solution

The fourth proportional to 88,608.70, 122,279.93 and 48,322.54 is: 66,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,608.70 : 122,279.93 = 48,322.54 : x
  2. Step 2: Convert to fraction form
    88,608.70/122,279.93 = 48,322.54/x
  3. Step 3: Cross multiply
    88,608.70x = 122,279.93 × 48,322.54
  4. Step 4: Simplify right side
    88,608.70x = 5,908,876,808.62
  5. Step 5: Solve for x
    x = 5,908,876,808.62/88,608.70
  6. Step 6: Final answer
    x = 66,685.06

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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.