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Finding the Fourth Proportional to 230,246.52, 345,566.60 and 90,103.56

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Solution

The fourth proportional to 230,246.52, 345,566.60 and 90,103.56 is: 135,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,246.52 : 345,566.60 = 90,103.56 : x
  2. Step 2: Convert to fraction form
    230,246.52/345,566.60 = 90,103.56/x
  3. Step 3: Cross multiply
    230,246.52x = 345,566.60 × 90,103.56
  4. Step 4: Simplify right side
    230,246.52x = 31,136,780,877.10
  5. Step 5: Solve for x
    x = 31,136,780,877.10/230,246.52
  6. Step 6: Final answer
    x = 135,232.36

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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.