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Finding the Fourth Proportional to 88,571.88, 122,305.51 and 75,950.16

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Solution

The fourth proportional to 88,571.88, 122,305.51 and 75,950.16 is: 104,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571.88 : 122,305.51 = 75,950.16 : x
  2. Step 2: Convert to fraction form
    88,571.88/122,305.51 = 75,950.16/x
  3. Step 3: Cross multiply
    88,571.88x = 122,305.51 × 75,950.16
  4. Step 4: Simplify right side
    88,571.88x = 9,289,122,689.67
  5. Step 5: Solve for x
    x = 9,289,122,689.67/88,571.88
  6. Step 6: Final answer
    x = 104,876.66

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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.