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Finding the Fourth Proportional to 226,491.80, 339,737.70 and 114,517.40

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Solution

The fourth proportional to 226,491.80, 339,737.70 and 114,517.40 is: 171,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,491.80 : 339,737.70 = 114,517.40 : x
  2. Step 2: Convert to fraction form
    226,491.80/339,737.70 = 114,517.40/x
  3. Step 3: Cross multiply
    226,491.80x = 339,737.70 × 114,517.40
  4. Step 4: Simplify right side
    226,491.80x = 38,905,878,085.98
  5. Step 5: Solve for x
    x = 38,905,878,085.98/226,491.80
  6. Step 6: Final answer
    x = 171,776.10

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1.5x scale

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.