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Finding the Fourth Proportional to 230,901.98, 346,350.56 and 73,130.42

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Solution

The fourth proportional to 230,901.98, 346,350.56 and 73,130.42 is: 109,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,901.98 : 346,350.56 = 73,130.42 : x
  2. Step 2: Convert to fraction form
    230,901.98/346,350.56 = 73,130.42/x
  3. Step 3: Cross multiply
    230,901.98x = 346,350.56 × 73,130.42
  4. Step 4: Simplify right side
    230,901.98x = 25,328,762,420.26
  5. Step 5: Solve for x
    x = 25,328,762,420.26/230,901.98
  6. Step 6: Final answer
    x = 109,694.87

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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.