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Finding the Fourth Proportional to 73,019.72, 100,758.66 and 41,186.72

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Solution

The fourth proportional to 73,019.72, 100,758.66 and 41,186.72 is: 56,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.72 : 100,758.66 = 41,186.72 : x
  2. Step 2: Convert to fraction form
    73,019.72/100,758.66 = 41,186.72/x
  3. Step 3: Cross multiply
    73,019.72x = 100,758.66 × 41,186.72
  4. Step 4: Simplify right side
    73,019.72x = 4,149,918,717.00
  5. Step 5: Solve for x
    x = 4,149,918,717.00/73,019.72
  6. Step 6: Final answer
    x = 56,832.85

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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.