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Finding the Fourth Proportional to 110,126.69, 151,969.97 and 62,379.08

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Solution

The fourth proportional to 110,126.69, 151,969.97 and 62,379.08 is: 86,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,126.69 : 151,969.97 = 62,379.08 : x
  2. Step 2: Convert to fraction form
    110,126.69/151,969.97 = 62,379.08/x
  3. Step 3: Cross multiply
    110,126.69x = 151,969.97 × 62,379.08
  4. Step 4: Simplify right side
    110,126.69x = 9,479,746,604.33
  5. Step 5: Solve for x
    x = 9,479,746,604.33/110,126.69
  6. Step 6: Final answer
    x = 86,080.37

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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.