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Finding the Fourth Proportional to 73,158.88, 100,960.08 and 41,328.16

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Solution

The fourth proportional to 73,158.88, 100,960.08 and 41,328.16 is: 57,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.88 : 100,960.08 = 41,328.16 : x
  2. Step 2: Convert to fraction form
    73,158.88/100,960.08 = 41,328.16/x
  3. Step 3: Cross multiply
    73,158.88x = 100,960.08 × 41,328.16
  4. Step 4: Simplify right side
    73,158.88x = 4,172,494,339.85
  5. Step 5: Solve for x
    x = 4,172,494,339.85/73,158.88
  6. Step 6: Final answer
    x = 57,033.33

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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.