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Finding the Fourth Proportional to 223,216.68, 334,837.67 and 71,427.11

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Solution

The fourth proportional to 223,216.68, 334,837.67 and 71,427.11 is: 107,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,216.68 : 334,837.67 = 71,427.11 : x
  2. Step 2: Convert to fraction form
    223,216.68/334,837.67 = 71,427.11/x
  3. Step 3: Cross multiply
    223,216.68x = 334,837.67 × 71,427.11
  4. Step 4: Simplify right side
    223,216.68x = 23,916,485,055.91
  5. Step 5: Solve for x
    x = 23,916,485,055.91/223,216.68
  6. Step 6: Final answer
    x = 107,144.70

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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.