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Finding the Fourth Proportional to 234,220.50, 351,340.47 and 68,008.50

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Solution

The fourth proportional to 234,220.50, 351,340.47 and 68,008.50 is: 102,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,220.50 : 351,340.47 = 68,008.50 : x
  2. Step 2: Convert to fraction form
    234,220.50/351,340.47 = 68,008.50/x
  3. Step 3: Cross multiply
    234,220.50x = 351,340.47 × 68,008.50
  4. Step 4: Simplify right side
    234,220.50x = 23,894,138,354.00
  5. Step 5: Solve for x
    x = 23,894,138,354.00/234,220.50
  6. Step 6: Final answer
    x = 102,015.57

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1.5x scale

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.