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Finding the Fourth Proportional to 75,292.27, 112,716.52 and 65,950.55

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Solution

The fourth proportional to 75,292.27, 112,716.52 and 65,950.55 is: 98,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,292.27 : 112,716.52 = 65,950.55 : x
  2. Step 2: Convert to fraction form
    75,292.27/112,716.52 = 65,950.55/x
  3. Step 3: Cross multiply
    75,292.27x = 112,716.52 × 65,950.55
  4. Step 4: Simplify right side
    75,292.27x = 7,433,716,488.09
  5. Step 5: Solve for x
    x = 7,433,716,488.09/75,292.27
  6. Step 6: Final answer
    x = 98,731.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.