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Finding the Fourth Proportional to 163,331.78, 244,934.42 and 63,478.89

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Solution

The fourth proportional to 163,331.78, 244,934.42 and 63,478.89 is: 95,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,331.78 : 244,934.42 = 63,478.89 : x
  2. Step 2: Convert to fraction form
    163,331.78/244,934.42 = 63,478.89/x
  3. Step 3: Cross multiply
    163,331.78x = 244,934.42 × 63,478.89
  4. Step 4: Simplify right side
    163,331.78x = 15,548,164,787.00
  5. Step 5: Solve for x
    x = 15,548,164,787.00/163,331.78
  6. Step 6: Final answer
    x = 95,193.75

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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.