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Finding the Fourth Proportional to 88,549.76, 122,198.64 and 48,805.76

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Solution

The fourth proportional to 88,549.76, 122,198.64 and 48,805.76 is: 67,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,549.76 : 122,198.64 = 48,805.76 : x
  2. Step 2: Convert to fraction form
    88,549.76/122,198.64 = 48,805.76/x
  3. Step 3: Cross multiply
    88,549.76x = 122,198.64 × 48,805.76
  4. Step 4: Simplify right side
    88,549.76x = 5,963,997,496.17
  5. Step 5: Solve for x
    x = 5,963,997,496.17/88,549.76
  6. Step 6: Final answer
    x = 67,351.93

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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.