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Finding the Fourth Proportional to 114,793.34, 172,193.85 and 39,914.13

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Solution

The fourth proportional to 114,793.34, 172,193.85 and 39,914.13 is: 59,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,793.34 : 172,193.85 = 39,914.13 : x
  2. Step 2: Convert to fraction form
    114,793.34/172,193.85 = 39,914.13/x
  3. Step 3: Cross multiply
    114,793.34x = 172,193.85 × 39,914.13
  4. Step 4: Simplify right side
    114,793.34x = 6,872,967,084.05
  5. Step 5: Solve for x
    x = 6,872,967,084.05/114,793.34
  6. Step 6: Final answer
    x = 59,872.53

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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.