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Finding the Fourth Proportional to 159,422.61, 239,133.57 and 109,350.94

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Solution

The fourth proportional to 159,422.61, 239,133.57 and 109,350.94 is: 164,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,422.61 : 239,133.57 = 109,350.94 : x
  2. Step 2: Convert to fraction form
    159,422.61/239,133.57 = 109,350.94/x
  3. Step 3: Cross multiply
    159,422.61x = 239,133.57 × 109,350.94
  4. Step 4: Simplify right side
    159,422.61x = 26,149,480,665.06
  5. Step 5: Solve for x
    x = 26,149,480,665.06/159,422.61
  6. Step 6: Final answer
    x = 164,026.17

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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.