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Finding the Fourth Proportional to 231,205.60, 346,808.40 and 73,446.40

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Solution

The fourth proportional to 231,205.60, 346,808.40 and 73,446.40 is: 110,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,205.60 : 346,808.40 = 73,446.40 : x
  2. Step 2: Convert to fraction form
    231,205.60/346,808.40 = 73,446.40/x
  3. Step 3: Cross multiply
    231,205.60x = 346,808.40 × 73,446.40
  4. Step 4: Simplify right side
    231,205.60x = 25,471,828,469.76
  5. Step 5: Solve for x
    x = 25,471,828,469.76/231,205.60
  6. Step 6: Final answer
    x = 110,169.60

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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.