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Finding the Fourth Proportional to 88,645.88, 122,326.16 and 50,399.91

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Solution

The fourth proportional to 88,645.88, 122,326.16 and 50,399.91 is: 69,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,645.88 : 122,326.16 = 50,399.91 : x
  2. Step 2: Convert to fraction form
    88,645.88/122,326.16 = 50,399.91/x
  3. Step 3: Cross multiply
    88,645.88x = 122,326.16 × 50,399.91
  4. Step 4: Simplify right side
    88,645.88x = 6,165,227,454.65
  5. Step 5: Solve for x
    x = 6,165,227,454.65/88,645.88
  6. Step 6: Final answer
    x = 69,548.95

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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.