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Finding the Fourth Proportional to 169,896.74, 234,111.74 and 131,422.55

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Solution

The fourth proportional to 169,896.74, 234,111.74 and 131,422.55 is: 181,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,896.74 : 234,111.74 = 131,422.55 : x
  2. Step 2: Convert to fraction form
    169,896.74/234,111.74 = 131,422.55/x
  3. Step 3: Cross multiply
    169,896.74x = 234,111.74 × 131,422.55
  4. Step 4: Simplify right side
    169,896.74x = 30,767,560,028.07
  5. Step 5: Solve for x
    x = 30,767,560,028.07/169,896.74
  6. Step 6: Final answer
    x = 181,095.65

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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.