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Finding the Fourth Proportional to 73,715.69, 101,727.66 and 40,181.69

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Solution

The fourth proportional to 73,715.69, 101,727.66 and 40,181.69 is: 55,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,715.69 : 101,727.66 = 40,181.69 : x
  2. Step 2: Convert to fraction form
    73,715.69/101,727.66 = 40,181.69/x
  3. Step 3: Cross multiply
    73,715.69x = 101,727.66 × 40,181.69
  4. Step 4: Simplify right side
    73,715.69x = 4,087,589,298.55
  5. Step 5: Solve for x
    x = 4,087,589,298.55/73,715.69
  6. Step 6: Final answer
    x = 55,450.74

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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.