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Finding the Fourth Proportional to 100,828.61, 151,265.67 and 33,360.48

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Solution

The fourth proportional to 100,828.61, 151,265.67 and 33,360.48 is: 50,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828.61 : 151,265.67 = 33,360.48 : x
  2. Step 2: Convert to fraction form
    100,828.61/151,265.67 = 33,360.48/x
  3. Step 3: Cross multiply
    100,828.61x = 151,265.67 × 33,360.48
  4. Step 4: Simplify right side
    100,828.61x = 5,046,295,358.72
  5. Step 5: Solve for x
    x = 5,046,295,358.72/100,828.61
  6. Step 6: Final answer
    x = 50,048.25

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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.