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Finding the Fourth Proportional to 88,953.32, 122,713.16 and 54,949.56

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Solution

The fourth proportional to 88,953.32, 122,713.16 and 54,949.56 is: 75,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953.32 : 122,713.16 = 54,949.56 : x
  2. Step 2: Convert to fraction form
    88,953.32/122,713.16 = 54,949.56/x
  3. Step 3: Cross multiply
    88,953.32x = 122,713.16 × 54,949.56
  4. Step 4: Simplify right side
    88,953.32x = 6,743,034,285.58
  5. Step 5: Solve for x
    x = 6,743,034,285.58/88,953.32
  6. Step 6: Final answer
    x = 75,804.19

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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.