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Finding the Fourth Proportional to 228,465.92, 315,282.93 and 127,863.92

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Solution

The fourth proportional to 228,465.92, 315,282.93 and 127,863.92 is: 176,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,465.92 : 315,282.93 = 127,863.92 : x
  2. Step 2: Convert to fraction form
    228,465.92/315,282.93 = 127,863.92/x
  3. Step 3: Cross multiply
    228,465.92x = 315,282.93 × 127,863.92
  4. Step 4: Simplify right side
    228,465.92x = 40,313,311,338.89
  5. Step 5: Solve for x
    x = 40,313,311,338.89/228,465.92
  6. Step 6: Final answer
    x = 176,452.19

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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.