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Finding the Fourth Proportional to 73,122.69, 109,661.36 and 26,369.49

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Solution

The fourth proportional to 73,122.69, 109,661.36 and 26,369.49 is: 39,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.69 : 109,661.36 = 26,369.49 : x
  2. Step 2: Convert to fraction form
    73,122.69/109,661.36 = 26,369.49/x
  3. Step 3: Cross multiply
    73,122.69x = 109,661.36 × 26,369.49
  4. Step 4: Simplify right side
    73,122.69x = 2,891,714,004.06
  5. Step 5: Solve for x
    x = 2,891,714,004.06/73,122.69
  6. Step 6: Final answer
    x = 39,546.06

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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.