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Finding the Fourth Proportional to 88,707.97, 122,398.72 and 50,974.93

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Solution

The fourth proportional to 88,707.97, 122,398.72 and 50,974.93 is: 70,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.97 : 122,398.72 = 50,974.93 : x
  2. Step 2: Convert to fraction form
    88,707.97/122,398.72 = 50,974.93/x
  3. Step 3: Cross multiply
    88,707.97x = 122,398.72 × 50,974.93
  4. Step 4: Simplify right side
    88,707.97x = 6,239,266,184.09
  5. Step 5: Solve for x
    x = 6,239,266,184.09/88,707.97
  6. Step 6: Final answer
    x = 70,334.90

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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.