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Finding the Fourth Proportional to 228,578.80, 342,829.32 and 62,327.92

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Solution

The fourth proportional to 228,578.80, 342,829.32 and 62,327.92 is: 93,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,578.80 : 342,829.32 = 62,327.92 : x
  2. Step 2: Convert to fraction form
    228,578.80/342,829.32 = 62,327.92/x
  3. Step 3: Cross multiply
    228,578.80x = 342,829.32 × 62,327.92
  4. Step 4: Simplify right side
    228,578.80x = 21,367,838,430.61
  5. Step 5: Solve for x
    x = 21,367,838,430.61/228,578.80
  6. Step 6: Final answer
    x = 93,481.28

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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.