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Finding the Fourth Proportional to 230,115.94, 344,883.12 and 103,621.48

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Solution

The fourth proportional to 230,115.94, 344,883.12 and 103,621.48 is: 155,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,115.94 : 344,883.12 = 103,621.48 : x
  2. Step 2: Convert to fraction form
    230,115.94/344,883.12 = 103,621.48/x
  3. Step 3: Cross multiply
    230,115.94x = 344,883.12 × 103,621.48
  4. Step 4: Simplify right side
    230,115.94x = 35,737,299,321.42
  5. Step 5: Solve for x
    x = 35,737,299,321.42/230,115.94
  6. Step 6: Final answer
    x = 155,301.28

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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.