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Finding the Fourth Proportional to 230,727.60, 346,091.40 and 72,968.40

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Solution

The fourth proportional to 230,727.60, 346,091.40 and 72,968.40 is: 109,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,727.60 : 346,091.40 = 72,968.40 : x
  2. Step 2: Convert to fraction form
    230,727.60/346,091.40 = 72,968.40/x
  3. Step 3: Cross multiply
    230,727.60x = 346,091.40 × 72,968.40
  4. Step 4: Simplify right side
    230,727.60x = 25,253,735,711.76
  5. Step 5: Solve for x
    x = 25,253,735,711.76/230,727.60
  6. Step 6: Final answer
    x = 109,452.60

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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.