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Finding the Fourth Proportional to 223,781.99, 335,669.69 and 55,302.31

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Solution

The fourth proportional to 223,781.99, 335,669.69 and 55,302.31 is: 82,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,781.99 : 335,669.69 = 55,302.31 : x
  2. Step 2: Convert to fraction form
    223,781.99/335,669.69 = 55,302.31/x
  3. Step 3: Cross multiply
    223,781.99x = 335,669.69 × 55,302.31
  4. Step 4: Simplify right side
    223,781.99x = 18,563,307,299.12
  5. Step 5: Solve for x
    x = 18,563,307,299.12/223,781.99
  6. Step 6: Final answer
    x = 82,952.64

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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.