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Finding the Fourth Proportional to 88,566.92, 122,218.74 and 48,279.80

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Solution

The fourth proportional to 88,566.92, 122,218.74 and 48,279.80 is: 66,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,566.92 : 122,218.74 = 48,279.80 : x
  2. Step 2: Convert to fraction form
    88,566.92/122,218.74 = 48,279.80/x
  3. Step 3: Cross multiply
    88,566.92x = 122,218.74 × 48,279.80
  4. Step 4: Simplify right side
    88,566.92x = 5,900,696,323.45
  5. Step 5: Solve for x
    x = 5,900,696,323.45/88,566.92
  6. Step 6: Final answer
    x = 66,624.16

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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.