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Finding the Fourth Proportional to 173,406.40, 260,109.60 and 111,198.40

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Solution

The fourth proportional to 173,406.40, 260,109.60 and 111,198.40 is: 166,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.40 : 260,109.60 = 111,198.40 : x
  2. Step 2: Convert to fraction form
    173,406.40/260,109.60 = 111,198.40/x
  3. Step 3: Cross multiply
    173,406.40x = 260,109.60 × 111,198.40
  4. Step 4: Simplify right side
    173,406.40x = 28,923,771,344.64
  5. Step 5: Solve for x
    x = 28,923,771,344.64/173,406.40
  6. Step 6: Final answer
    x = 166,797.60

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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.