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Finding the Fourth Proportional to 88,888.88, 122,680.23 and 50,648.28

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Solution

The fourth proportional to 88,888.88, 122,680.23 and 50,648.28 is: 69,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,888.88 : 122,680.23 = 50,648.28 : x
  2. Step 2: Convert to fraction form
    88,888.88/122,680.23 = 50,648.28/x
  3. Step 3: Cross multiply
    88,888.88x = 122,680.23 × 50,648.28
  4. Step 4: Simplify right side
    88,888.88x = 6,213,542,639.50
  5. Step 5: Solve for x
    x = 6,213,542,639.50/88,888.88
  6. Step 6: Final answer
    x = 69,902.36

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1.5x scale

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.