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Finding the Fourth Proportional to 208,338, 312,559.92 and 60,594

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Solution

The fourth proportional to 208,338, 312,559.92 and 60,594 is: 90,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,338 : 312,559.92 = 60,594 : x
  2. Step 2: Convert to fraction form
    208,338/312,559.92 = 60,594/x
  3. Step 3: Cross multiply
    208,338x = 312,559.92 × 60,594
  4. Step 4: Simplify right side
    208,338x = 18,939,255,792.48
  5. Step 5: Solve for x
    x = 18,939,255,792.48/208,338
  6. Step 6: Final answer
    x = 90,906.39

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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.