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Finding the Fourth Proportional to 365,766.71, 548,696.79 and 141,191.36

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Solution

The fourth proportional to 365,766.71, 548,696.79 and 141,191.36 is: 211,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,766.71 : 548,696.79 = 141,191.36 : x
  2. Step 2: Convert to fraction form
    365,766.71/548,696.79 = 141,191.36/x
  3. Step 3: Cross multiply
    365,766.71x = 548,696.79 × 141,191.36
  4. Step 4: Simplify right side
    365,766.71x = 77,471,245,301.78
  5. Step 5: Solve for x
    x = 77,471,245,301.78/365,766.71
  6. Step 6: Final answer
    x = 211,805.08

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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.