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Finding the Fourth Proportional to 227,648.87, 314,158 and 125,674.39

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Solution

The fourth proportional to 227,648.87, 314,158 and 125,674.39 is: 173,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,648.87 : 314,158 = 125,674.39 : x
  2. Step 2: Convert to fraction form
    227,648.87/314,158 = 125,674.39/x
  3. Step 3: Cross multiply
    227,648.87x = 314,158 × 125,674.39
  4. Step 4: Simplify right side
    227,648.87x = 39,481,613,442.83
  5. Step 5: Solve for x
    x = 39,481,613,442.83/227,648.87
  6. Step 6: Final answer
    x = 173,432.07

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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.