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Finding the Fourth Proportional to 181,241.85, 250,106.85 and 100,674.57

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Solution

The fourth proportional to 181,241.85, 250,106.85 and 100,674.57 is: 138,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,241.85 : 250,106.85 = 100,674.57 : x
  2. Step 2: Convert to fraction form
    181,241.85/250,106.85 = 100,674.57/x
  3. Step 3: Cross multiply
    181,241.85x = 250,106.85 × 100,674.57
  4. Step 4: Simplify right side
    181,241.85x = 25,179,399,577.80
  5. Step 5: Solve for x
    x = 25,179,399,577.80/181,241.85
  6. Step 6: Final answer
    x = 138,927.07

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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.