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Finding the Fourth Proportional to 227,349.49, 313,738.15 and 125,384.38

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Solution

The fourth proportional to 227,349.49, 313,738.15 and 125,384.38 is: 173,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,349.49 : 313,738.15 = 125,384.38 : x
  2. Step 2: Convert to fraction form
    227,349.49/313,738.15 = 125,384.38/x
  3. Step 3: Cross multiply
    227,349.49x = 313,738.15 × 125,384.38
  4. Step 4: Simplify right side
    227,349.49x = 39,337,863,420.10
  5. Step 5: Solve for x
    x = 39,337,863,420.10/227,349.49
  6. Step 6: Final answer
    x = 173,028.16

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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.