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Finding the Fourth Proportional to 115,094.63, 158,759.51 and 67,315.97

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Solution

The fourth proportional to 115,094.63, 158,759.51 and 67,315.97 is: 92,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,094.63 : 158,759.51 = 67,315.97 : x
  2. Step 2: Convert to fraction form
    115,094.63/158,759.51 = 67,315.97/x
  3. Step 3: Cross multiply
    115,094.63x = 158,759.51 × 67,315.97
  4. Step 4: Simplify right side
    115,094.63x = 10,687,049,282.00
  5. Step 5: Solve for x
    x = 10,687,049,282.00/115,094.63
  6. Step 6: Final answer
    x = 92,854.46

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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.