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Finding the Fourth Proportional to 210,694.53, 315,994.95 and 60,902.04

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Solution

The fourth proportional to 210,694.53, 315,994.95 and 60,902.04 is: 91,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,694.53 : 315,994.95 = 60,902.04 : x
  2. Step 2: Convert to fraction form
    210,694.53/315,994.95 = 60,902.04/x
  3. Step 3: Cross multiply
    210,694.53x = 315,994.95 × 60,902.04
  4. Step 4: Simplify right side
    210,694.53x = 19,244,737,084.70
  5. Step 5: Solve for x
    x = 19,244,737,084.70/210,694.53
  6. Step 6: Final answer
    x = 91,339.52

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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.