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Finding the Fourth Proportional to 230,855.60, 346,564.20 and 146,615.60

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Solution

The fourth proportional to 230,855.60, 346,564.20 and 146,615.60 is: 220,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,855.60 : 346,564.20 = 146,615.60 : x
  2. Step 2: Convert to fraction form
    230,855.60/346,564.20 = 146,615.60/x
  3. Step 3: Cross multiply
    230,855.60x = 346,564.20 × 146,615.60
  4. Step 4: Simplify right side
    230,855.60x = 50,811,718,121.52
  5. Step 5: Solve for x
    x = 50,811,718,121.52/230,855.60
  6. Step 6: Final answer
    x = 220,101.74

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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.