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Finding the Fourth Proportional to 159,602.01, 239,674.18 and 106,634.36

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Solution

The fourth proportional to 159,602.01, 239,674.18 and 106,634.36 is: 160,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,602.01 : 239,674.18 = 106,634.36 : x
  2. Step 2: Convert to fraction form
    159,602.01/239,674.18 = 106,634.36/x
  3. Step 3: Cross multiply
    159,602.01x = 239,674.18 × 106,634.36
  4. Step 4: Simplify right side
    159,602.01x = 25,557,502,792.82
  5. Step 5: Solve for x
    x = 25,557,502,792.82/159,602.01
  6. Step 6: Final answer
    x = 160,132.71

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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.