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Finding the Fourth Proportional to 226,320.40, 339,699.30 and 137,746.90

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Solution

The fourth proportional to 226,320.40, 339,699.30 and 137,746.90 is: 206,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,320.40 : 339,699.30 = 137,746.90 : x
  2. Step 2: Convert to fraction form
    226,320.40/339,699.30 = 137,746.90/x
  3. Step 3: Cross multiply
    226,320.40x = 339,699.30 × 137,746.90
  4. Step 4: Simplify right side
    226,320.40x = 46,792,525,507.17
  5. Step 5: Solve for x
    x = 46,792,525,507.17/226,320.40
  6. Step 6: Final answer
    x = 206,753.46

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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.