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Finding the Fourth Proportional to 88,606, 122,276.28 and 48,862

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Solution

The fourth proportional to 88,606, 122,276.28 and 48,862 is: 67,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,606 : 122,276.28 = 48,862 : x
  2. Step 2: Convert to fraction form
    88,606/122,276.28 = 48,862/x
  3. Step 3: Cross multiply
    88,606x = 122,276.28 × 48,862
  4. Step 4: Simplify right side
    88,606x = 5,974,663,593.36
  5. Step 5: Solve for x
    x = 5,974,663,593.36/88,606
  6. Step 6: Final answer
    x = 67,429.56

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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.