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Finding the Fourth Proportional to 226,376.75, 312,401.13 and 125,774.75

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Solution

The fourth proportional to 226,376.75, 312,401.13 and 125,774.75 is: 173,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,376.75 : 312,401.13 = 125,774.75 : x
  2. Step 2: Convert to fraction form
    226,376.75/312,401.13 = 125,774.75/x
  3. Step 3: Cross multiply
    226,376.75x = 312,401.13 × 125,774.75
  4. Step 4: Simplify right side
    226,376.75x = 39,292,174,025.47
  5. Step 5: Solve for x
    x = 39,292,174,025.47/226,376.75
  6. Step 6: Final answer
    x = 173,569.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.