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Finding the Fourth Proportional to 252,880.50, 379,320.75 and 65,892

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Solution

The fourth proportional to 252,880.50, 379,320.75 and 65,892 is: 98,838

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,880.50 : 379,320.75 = 65,892 : x
  2. Step 2: Convert to fraction form
    252,880.50/379,320.75 = 65,892/x
  3. Step 3: Cross multiply
    252,880.50x = 379,320.75 × 65,892
  4. Step 4: Simplify right side
    252,880.50x = 24,994,202,859
  5. Step 5: Solve for x
    x = 24,994,202,859/252,880.50
  6. Step 6: Final answer
    x = 98,838

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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.