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Finding the Fourth Proportional to 239,164.90, 358,791.50 and 98,934.46

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Solution

The fourth proportional to 239,164.90, 358,791.50 and 98,934.46 is: 148,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,164.90 : 358,791.50 = 98,934.46 : x
  2. Step 2: Convert to fraction form
    239,164.90/358,791.50 = 98,934.46/x
  3. Step 3: Cross multiply
    239,164.90x = 358,791.50 × 98,934.46
  4. Step 4: Simplify right side
    239,164.90x = 35,496,843,305.09
  5. Step 5: Solve for x
    x = 35,496,843,305.09/239,164.90
  6. Step 6: Final answer
    x = 148,419.95

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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.