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Finding the Fourth Proportional to 228,898.24, 315,895.41 and 126,933.11

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Solution

The fourth proportional to 228,898.24, 315,895.41 and 126,933.11 is: 175,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,898.24 : 315,895.41 = 126,933.11 : x
  2. Step 2: Convert to fraction form
    228,898.24/315,895.41 = 126,933.11/x
  3. Step 3: Cross multiply
    228,898.24x = 315,895.41 × 126,933.11
  4. Step 4: Simplify right side
    228,898.24x = 40,097,586,431.16
  5. Step 5: Solve for x
    x = 40,097,586,431.16/228,898.24
  6. Step 6: Final answer
    x = 175,176.48

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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.