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Finding the Fourth Proportional to 238,363.74, 328,860.50 and 136,352.03

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Solution

The fourth proportional to 238,363.74, 328,860.50 and 136,352.03 is: 188,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,363.74 : 328,860.50 = 136,352.03 : x
  2. Step 2: Convert to fraction form
    238,363.74/328,860.50 = 136,352.03/x
  3. Step 3: Cross multiply
    238,363.74x = 328,860.50 × 136,352.03
  4. Step 4: Simplify right side
    238,363.74x = 44,840,794,435.75
  5. Step 5: Solve for x
    x = 44,840,794,435.75/238,363.74
  6. Step 6: Final answer
    x = 188,119.19

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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.