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Finding the Fourth Proportional to 228,339.90, 342,531.45 and 62,127.90

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Solution

The fourth proportional to 228,339.90, 342,531.45 and 62,127.90 is: 93,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,339.90 : 342,531.45 = 62,127.90 : x
  2. Step 2: Convert to fraction form
    228,339.90/342,531.45 = 62,127.90/x
  3. Step 3: Cross multiply
    228,339.90x = 342,531.45 × 62,127.90
  4. Step 4: Simplify right side
    228,339.90x = 21,280,759,672.46
  5. Step 5: Solve for x
    x = 21,280,759,672.46/228,339.90
  6. Step 6: Final answer
    x = 93,197.73

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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.