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Finding the Fourth Proportional to 240,693.78, 332,156.52 and 133,257.36

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Solution

The fourth proportional to 240,693.78, 332,156.52 and 133,257.36 is: 183,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,693.78 : 332,156.52 = 133,257.36 : x
  2. Step 2: Convert to fraction form
    240,693.78/332,156.52 = 133,257.36/x
  3. Step 3: Cross multiply
    240,693.78x = 332,156.52 × 133,257.36
  4. Step 4: Simplify right side
    240,693.78x = 44,262,300,961.99
  5. Step 5: Solve for x
    x = 44,262,300,961.99/240,693.78
  6. Step 6: Final answer
    x = 183,894.66

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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.