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Finding the Fourth Proportional to 73,019.88, 100,772.10 and 41,177.16

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Solution

The fourth proportional to 73,019.88, 100,772.10 and 41,177.16 is: 56,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.88 : 100,772.10 = 41,177.16 : x
  2. Step 2: Convert to fraction form
    73,019.88/100,772.10 = 41,177.16/x
  3. Step 3: Cross multiply
    73,019.88x = 100,772.10 × 41,177.16
  4. Step 4: Simplify right side
    73,019.88x = 4,149,508,885.24
  5. Step 5: Solve for x
    x = 4,149,508,885.24/73,019.88
  6. Step 6: Final answer
    x = 56,827.11

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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.