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Finding the Fourth Proportional to 228,037.28, 342,055.92 and 61,825.28

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Solution

The fourth proportional to 228,037.28, 342,055.92 and 61,825.28 is: 92,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,037.28 : 342,055.92 = 61,825.28 : x
  2. Step 2: Convert to fraction form
    228,037.28/342,055.92 = 61,825.28/x
  3. Step 3: Cross multiply
    228,037.28x = 342,055.92 × 61,825.28
  4. Step 4: Simplify right side
    228,037.28x = 21,147,703,029.66
  5. Step 5: Solve for x
    x = 21,147,703,029.66/228,037.28
  6. Step 6: Final answer
    x = 92,737.92

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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.