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Finding the Fourth Proportional to 239,713.83, 330,681.56 and 149,035.41

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Solution

The fourth proportional to 239,713.83, 330,681.56 and 149,035.41 is: 205,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,713.83 : 330,681.56 = 149,035.41 : x
  2. Step 2: Convert to fraction form
    239,713.83/330,681.56 = 149,035.41/x
  3. Step 3: Cross multiply
    239,713.83x = 330,681.56 × 149,035.41
  4. Step 4: Simplify right side
    239,713.83x = 49,283,261,128.86
  5. Step 5: Solve for x
    x = 49,283,261,128.86/239,713.83
  6. Step 6: Final answer
    x = 205,592.06

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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.