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Finding the Fourth Proportional to 228,597.27, 315,460.67 and 125,230.65

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Solution

The fourth proportional to 228,597.27, 315,460.67 and 125,230.65 is: 172,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,597.27 : 315,460.67 = 125,230.65 : x
  2. Step 2: Convert to fraction form
    228,597.27/315,460.67 = 125,230.65/x
  3. Step 3: Cross multiply
    228,597.27x = 315,460.67 × 125,230.65
  4. Step 4: Simplify right side
    228,597.27x = 39,505,344,753.54
  5. Step 5: Solve for x
    x = 39,505,344,753.54/228,597.27
  6. Step 6: Final answer
    x = 172,816.35

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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.