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Finding the Fourth Proportional to 228,139.52, 342,209.44 and 61,927.52

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Solution

The fourth proportional to 228,139.52, 342,209.44 and 61,927.52 is: 92,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,139.52 : 342,209.44 = 61,927.52 : x
  2. Step 2: Convert to fraction form
    228,139.52/342,209.44 = 61,927.52/x
  3. Step 3: Cross multiply
    228,139.52x = 342,209.44 × 61,927.52
  4. Step 4: Simplify right side
    228,139.52x = 21,192,181,939.79
  5. Step 5: Solve for x
    x = 21,192,181,939.79/228,139.52
  6. Step 6: Final answer
    x = 92,891.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.