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Finding the Fourth Proportional to 88,799, 122,542.62 and 49,055

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Solution

The fourth proportional to 88,799, 122,542.62 and 49,055 is: 67,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,799 : 122,542.62 = 49,055 : x
  2. Step 2: Convert to fraction form
    88,799/122,542.62 = 49,055/x
  3. Step 3: Cross multiply
    88,799x = 122,542.62 × 49,055
  4. Step 4: Simplify right side
    88,799x = 6,011,328,224.10
  5. Step 5: Solve for x
    x = 6,011,328,224.10/88,799
  6. Step 6: Final answer
    x = 67,695.90

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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.