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Finding the Fourth Proportional to 239,458.75, 359,084.02 and 68,642.84

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Solution

The fourth proportional to 239,458.75, 359,084.02 and 68,642.84 is: 102,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,458.75 : 359,084.02 = 68,642.84 : x
  2. Step 2: Convert to fraction form
    239,458.75/359,084.02 = 68,642.84/x
  3. Step 3: Cross multiply
    239,458.75x = 359,084.02 × 68,642.84
  4. Step 4: Simplify right side
    239,458.75x = 24,648,547,786.23
  5. Step 5: Solve for x
    x = 24,648,547,786.23/239,458.75
  6. Step 6: Final answer
    x = 102,934.42

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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.