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Finding the Fourth Proportional to 269,150.40, 403,579.80 and 111,200.40

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Solution

The fourth proportional to 269,150.40, 403,579.80 and 111,200.40 is: 166,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,150.40 : 403,579.80 = 111,200.40 : x
  2. Step 2: Convert to fraction form
    269,150.40/403,579.80 = 111,200.40/x
  3. Step 3: Cross multiply
    269,150.40x = 403,579.80 × 111,200.40
  4. Step 4: Simplify right side
    269,150.40x = 44,878,235,191.92
  5. Step 5: Solve for x
    x = 44,878,235,191.92/269,150.40
  6. Step 6: Final answer
    x = 166,740.36

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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.