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Finding the Fourth Proportional to 157,988.44, 236,934.46 and 83,067.94

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Solution

The fourth proportional to 157,988.44, 236,934.46 and 83,067.94 is: 124,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,988.44 : 236,934.46 = 83,067.94 : x
  2. Step 2: Convert to fraction form
    157,988.44/236,934.46 = 83,067.94/x
  3. Step 3: Cross multiply
    157,988.44x = 236,934.46 × 83,067.94
  4. Step 4: Simplify right side
    157,988.44x = 19,681,657,507.21
  5. Step 5: Solve for x
    x = 19,681,657,507.21/157,988.44
  6. Step 6: Final answer
    x = 124,576.57

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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.