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Finding the Fourth Proportional to 88,568, 122,223.84 and 50,854.40

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Solution

The fourth proportional to 88,568, 122,223.84 and 50,854.40 is: 70,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,568 : 122,223.84 = 50,854.40 : x
  2. Step 2: Convert to fraction form
    88,568/122,223.84 = 50,854.40/x
  3. Step 3: Cross multiply
    88,568x = 122,223.84 × 50,854.40
  4. Step 4: Simplify right side
    88,568x = 6,215,620,048.90
  5. Step 5: Solve for x
    x = 6,215,620,048.90/88,568
  6. Step 6: Final answer
    x = 70,179.07

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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.