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Finding the Fourth Proportional to 181,496.25, 250,450.50 and 100,918.80

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Solution

The fourth proportional to 181,496.25, 250,450.50 and 100,918.80 is: 139,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,496.25 : 250,450.50 = 100,918.80 : x
  2. Step 2: Convert to fraction form
    181,496.25/250,450.50 = 100,918.80/x
  3. Step 3: Cross multiply
    181,496.25x = 250,450.50 × 100,918.80
  4. Step 4: Simplify right side
    181,496.25x = 25,275,163,919.40
  5. Step 5: Solve for x
    x = 25,275,163,919.40/181,496.25
  6. Step 6: Final answer
    x = 139,259.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.