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Finding the Fourth Proportional to 234,321.78, 351,479.95 and 94,077.94

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Solution

The fourth proportional to 234,321.78, 351,479.95 and 94,077.94 is: 141,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,321.78 : 351,479.95 = 94,077.94 : x
  2. Step 2: Convert to fraction form
    234,321.78/351,479.95 = 94,077.94/x
  3. Step 3: Cross multiply
    234,321.78x = 351,479.95 × 94,077.94
  4. Step 4: Simplify right side
    234,321.78x = 33,066,509,647.30
  5. Step 5: Solve for x
    x = 33,066,509,647.30/234,321.78
  6. Step 6: Final answer
    x = 141,115.82

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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.