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Finding the Fourth Proportional to 228,753.01, 315,673.77 and 133,253.54

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Solution

The fourth proportional to 228,753.01, 315,673.77 and 133,253.54 is: 183,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,753.01 : 315,673.77 = 133,253.54 : x
  2. Step 2: Convert to fraction form
    228,753.01/315,673.77 = 133,253.54/x
  3. Step 3: Cross multiply
    228,753.01x = 315,673.77 × 133,253.54
  4. Step 4: Simplify right side
    228,753.01x = 42,064,647,337.65
  5. Step 5: Solve for x
    x = 42,064,647,337.65/228,753.01
  6. Step 6: Final answer
    x = 183,886.75

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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.