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Finding the Fourth Proportional to 114,234.62, 171,363.40 and 39,344.90

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Solution

The fourth proportional to 114,234.62, 171,363.40 and 39,344.90 is: 59,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,234.62 : 171,363.40 = 39,344.90 : x
  2. Step 2: Convert to fraction form
    114,234.62/171,363.40 = 39,344.90/x
  3. Step 3: Cross multiply
    114,234.62x = 171,363.40 × 39,344.90
  4. Step 4: Simplify right side
    114,234.62x = 6,742,274,881.48
  5. Step 5: Solve for x
    x = 6,742,274,881.48/114,234.62
  6. Step 6: Final answer
    x = 59,021.29

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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.