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Finding the Fourth Proportional to 73,716.69, 101,729.04 and 40,182.69

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Solution

The fourth proportional to 73,716.69, 101,729.04 and 40,182.69 is: 55,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,716.69 : 101,729.04 = 40,182.69 : x
  2. Step 2: Convert to fraction form
    73,716.69/101,729.04 = 40,182.69/x
  3. Step 3: Cross multiply
    73,716.69x = 101,729.04 × 40,182.69
  4. Step 4: Simplify right side
    73,716.69x = 4,087,746,478.32
  5. Step 5: Solve for x
    x = 4,087,746,478.32/73,716.69
  6. Step 6: Final answer
    x = 55,452.12

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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.