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Finding the Fourth Proportional to 84,257.78, 116,276.65 and 46,018.44

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Solution

The fourth proportional to 84,257.78, 116,276.65 and 46,018.44 is: 63,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.78 : 116,276.65 = 46,018.44 : x
  2. Step 2: Convert to fraction form
    84,257.78/116,276.65 = 46,018.44/x
  3. Step 3: Cross multiply
    84,257.78x = 116,276.65 × 46,018.44
  4. Step 4: Simplify right side
    84,257.78x = 5,350,869,926.38
  5. Step 5: Solve for x
    x = 5,350,869,926.38/84,257.78
  6. Step 6: Final answer
    x = 63,505.95

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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.