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Finding the Fourth Proportional to 100,317.97, 150,491.54 and 53,545.33

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Solution

The fourth proportional to 100,317.97, 150,491.54 and 53,545.33 is: 80,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,317.97 : 150,491.54 = 53,545.33 : x
  2. Step 2: Convert to fraction form
    100,317.97/150,491.54 = 53,545.33/x
  3. Step 3: Cross multiply
    100,317.97x = 150,491.54 × 53,545.33
  4. Step 4: Simplify right side
    100,317.97x = 8,058,119,171.51
  5. Step 5: Solve for x
    x = 8,058,119,171.51/100,317.97
  6. Step 6: Final answer
    x = 80,325.78

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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.