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Finding the Fourth Proportional to 277,188.60, 382,521.20 and 149,865.11

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Solution

The fourth proportional to 277,188.60, 382,521.20 and 149,865.11 is: 206,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,188.60 : 382,521.20 = 149,865.11 : x
  2. Step 2: Convert to fraction form
    277,188.60/382,521.20 = 149,865.11/x
  3. Step 3: Cross multiply
    277,188.60x = 382,521.20 × 149,865.11
  4. Step 4: Simplify right side
    277,188.60x = 57,326,581,715.33
  5. Step 5: Solve for x
    x = 57,326,581,715.33/277,188.60
  6. Step 6: Final answer
    x = 206,814.36

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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.