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Finding the Fourth Proportional to 227,346.75, 313,731.75 and 125,372.20

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Solution

The fourth proportional to 227,346.75, 313,731.75 and 125,372.20 is: 173,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,346.75 : 313,731.75 = 125,372.20 : x
  2. Step 2: Convert to fraction form
    227,346.75/313,731.75 = 125,372.20/x
  3. Step 3: Cross multiply
    227,346.75x = 313,731.75 × 125,372.20
  4. Step 4: Simplify right side
    227,346.75x = 39,333,239,707.35
  5. Step 5: Solve for x
    x = 39,333,239,707.35/227,346.75
  6. Step 6: Final answer
    x = 173,009.91

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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.