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Finding the Fourth Proportional to 335,139.30, 502,575.30 and 110,437.20

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Solution

The fourth proportional to 335,139.30, 502,575.30 and 110,437.20 is: 165,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,139.30 : 502,575.30 = 110,437.20 : x
  2. Step 2: Convert to fraction form
    335,139.30/502,575.30 = 110,437.20/x
  3. Step 3: Cross multiply
    335,139.30x = 502,575.30 × 110,437.20
  4. Step 4: Simplify right side
    335,139.30x = 55,503,008,921.16
  5. Step 5: Solve for x
    x = 55,503,008,921.16/335,139.30
  6. Step 6: Final answer
    x = 165,611.76

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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.