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Finding the Fourth Proportional to 227,878.28, 314,490.39 and 125,912.64

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Solution

The fourth proportional to 227,878.28, 314,490.39 and 125,912.64 is: 173,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,878.28 : 314,490.39 = 125,912.64 : x
  2. Step 2: Convert to fraction form
    227,878.28/314,490.39 = 125,912.64/x
  3. Step 3: Cross multiply
    227,878.28x = 314,490.39 × 125,912.64
  4. Step 4: Simplify right side
    227,878.28x = 39,598,315,259.53
  5. Step 5: Solve for x
    x = 39,598,315,259.53/227,878.28
  6. Step 6: Final answer
    x = 173,769.59

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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.