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Finding the Fourth Proportional to 217,952.01, 300,776.49 and 131,909.90

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Solution

The fourth proportional to 217,952.01, 300,776.49 and 131,909.90 is: 182,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,952.01 : 300,776.49 = 131,909.90 : x
  2. Step 2: Convert to fraction form
    217,952.01/300,776.49 = 131,909.90/x
  3. Step 3: Cross multiply
    217,952.01x = 300,776.49 × 131,909.90
  4. Step 4: Simplify right side
    217,952.01x = 39,675,395,214.37
  5. Step 5: Solve for x
    x = 39,675,395,214.37/217,952.01
  6. Step 6: Final answer
    x = 182,037.30

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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.