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Finding the Fourth Proportional to 108,952.90, 150,369.01 and 61,206.30

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Solution

The fourth proportional to 108,952.90, 150,369.01 and 61,206.30 is: 84,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,952.90 : 150,369.01 = 61,206.30 : x
  2. Step 2: Convert to fraction form
    108,952.90/150,369.01 = 61,206.30/x
  3. Step 3: Cross multiply
    108,952.90x = 150,369.01 × 61,206.30
  4. Step 4: Simplify right side
    108,952.90x = 9,203,530,583.75
  5. Step 5: Solve for x
    x = 9,203,530,583.75/108,952.90
  6. Step 6: Final answer
    x = 84,472.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.