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Finding the Fourth Proportional to 230,262.68, 345,404.82 and 141,460.76

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Solution

The fourth proportional to 230,262.68, 345,404.82 and 141,460.76 is: 212,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,262.68 : 345,404.82 = 141,460.76 : x
  2. Step 2: Convert to fraction form
    230,262.68/345,404.82 = 141,460.76/x
  3. Step 3: Cross multiply
    230,262.68x = 345,404.82 × 141,460.76
  4. Step 4: Simplify right side
    230,262.68x = 48,861,228,344.86
  5. Step 5: Solve for x
    x = 48,861,228,344.86/230,262.68
  6. Step 6: Final answer
    x = 212,197.77

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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.