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Finding the Fourth Proportional to 158,238.97, 237,194.43 and 98,938.47

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Solution

The fourth proportional to 158,238.97, 237,194.43 and 98,938.47 is: 148,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,238.97 : 237,194.43 = 98,938.47 : x
  2. Step 2: Convert to fraction form
    158,238.97/237,194.43 = 98,938.47/x
  3. Step 3: Cross multiply
    158,238.97x = 237,194.43 × 98,938.47
  4. Step 4: Simplify right side
    158,238.97x = 23,467,653,737.49
  5. Step 5: Solve for x
    x = 23,467,653,737.49/158,238.97
  6. Step 6: Final answer
    x = 148,305.14

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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.