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Finding the Fourth Proportional to 226,710.90, 339,969.15 and 114,347.70

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Solution

The fourth proportional to 226,710.90, 339,969.15 and 114,347.70 is: 171,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,710.90 : 339,969.15 = 114,347.70 : x
  2. Step 2: Convert to fraction form
    226,710.90/339,969.15 = 114,347.70/x
  3. Step 3: Cross multiply
    226,710.90x = 339,969.15 × 114,347.70
  4. Step 4: Simplify right side
    226,710.90x = 38,874,690,373.46
  5. Step 5: Solve for x
    x = 38,874,690,373.46/226,710.90
  6. Step 6: Final answer
    x = 171,472.52

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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.