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Finding the Fourth Proportional to 228,571.52, 342,631.26 and 108,417.74

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Solution

The fourth proportional to 228,571.52, 342,631.26 and 108,417.74 is: 162,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,571.52 : 342,631.26 = 108,417.74 : x
  2. Step 2: Convert to fraction form
    228,571.52/342,631.26 = 108,417.74/x
  3. Step 3: Cross multiply
    228,571.52x = 342,631.26 × 108,417.74
  4. Step 4: Simplify right side
    228,571.52x = 37,147,305,149.40
  5. Step 5: Solve for x
    x = 37,147,305,149.40/228,571.52
  6. Step 6: Final answer
    x = 162,519.40

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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.