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Finding the Fourth Proportional to 169,754.58, 234,173.47 and 115,309.55

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Solution

The fourth proportional to 169,754.58, 234,173.47 and 115,309.55 is: 159,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,754.58 : 234,173.47 = 115,309.55 : x
  2. Step 2: Convert to fraction form
    169,754.58/234,173.47 = 115,309.55/x
  3. Step 3: Cross multiply
    169,754.58x = 234,173.47 × 115,309.55
  4. Step 4: Simplify right side
    169,754.58x = 27,002,437,447.64
  5. Step 5: Solve for x
    x = 27,002,437,447.64/169,754.58
  6. Step 6: Final answer
    x = 159,067.50

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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.