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Finding the Fourth Proportional to 109,324.94, 150,879.16 and 64,000.16

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Solution

The fourth proportional to 109,324.94, 150,879.16 and 64,000.16 is: 88,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,324.94 : 150,879.16 = 64,000.16 : x
  2. Step 2: Convert to fraction form
    109,324.94/150,879.16 = 64,000.16/x
  3. Step 3: Cross multiply
    109,324.94x = 150,879.16 × 64,000.16
  4. Step 4: Simplify right side
    109,324.94x = 9,656,290,380.67
  5. Step 5: Solve for x
    x = 9,656,290,380.67/109,324.94
  6. Step 6: Final answer
    x = 88,326.51

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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.