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Finding the Fourth Proportional to 100,264.90, 150,391.81 and 33,698.16

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Solution

The fourth proportional to 100,264.90, 150,391.81 and 33,698.16 is: 50,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,264.90 : 150,391.81 = 33,698.16 : x
  2. Step 2: Convert to fraction form
    100,264.90/150,391.81 = 33,698.16/x
  3. Step 3: Cross multiply
    100,264.90x = 150,391.81 × 33,698.16
  4. Step 4: Simplify right side
    100,264.90x = 5,067,927,276.07
  5. Step 5: Solve for x
    x = 5,067,927,276.07/100,264.90
  6. Step 6: Final answer
    x = 50,545.38

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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.