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Finding the Fourth Proportional to 94,787.94, 142,068.81 and 44,118.78

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Solution

The fourth proportional to 94,787.94, 142,068.81 and 44,118.78 is: 66,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787.94 : 142,068.81 = 44,118.78 : x
  2. Step 2: Convert to fraction form
    94,787.94/142,068.81 = 44,118.78/x
  3. Step 3: Cross multiply
    94,787.94x = 142,068.81 × 44,118.78
  4. Step 4: Simplify right side
    94,787.94x = 6,267,902,573.25
  5. Step 5: Solve for x
    x = 6,267,902,573.25/94,787.94
  6. Step 6: Final answer
    x = 66,125.53

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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.