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Finding the Fourth Proportional to 100,798.50, 150,828.66 and 95,391.21

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Solution

The fourth proportional to 100,798.50, 150,828.66 and 95,391.21 is: 142,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,798.50 : 150,828.66 = 95,391.21 : x
  2. Step 2: Convert to fraction form
    100,798.50/150,828.66 = 95,391.21/x
  3. Step 3: Cross multiply
    100,798.50x = 150,828.66 × 95,391.21
  4. Step 4: Simplify right side
    100,798.50x = 14,387,728,380.08
  5. Step 5: Solve for x
    x = 14,387,728,380.08/100,798.50
  6. Step 6: Final answer
    x = 142,737.52

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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.