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Finding the Fourth Proportional to 109,960.29, 151,729.07 and 61,559.71

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Solution

The fourth proportional to 109,960.29, 151,729.07 and 61,559.71 is: 84,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,960.29 : 151,729.07 = 61,559.71 : x
  2. Step 2: Convert to fraction form
    109,960.29/151,729.07 = 61,559.71/x
  3. Step 3: Cross multiply
    109,960.29x = 151,729.07 × 61,559.71
  4. Step 4: Simplify right side
    109,960.29x = 9,340,397,322.35
  5. Step 5: Solve for x
    x = 9,340,397,322.35/109,960.29
  6. Step 6: Final answer
    x = 84,943.37

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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.