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Finding the Fourth Proportional to 335,375.20, 503,008.12 and 98,662.52

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Solution

The fourth proportional to 335,375.20, 503,008.12 and 98,662.52 is: 147,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,375.20 : 503,008.12 = 98,662.52 : x
  2. Step 2: Convert to fraction form
    335,375.20/503,008.12 = 98,662.52/x
  3. Step 3: Cross multiply
    335,375.20x = 503,008.12 × 98,662.52
  4. Step 4: Simplify right side
    335,375.20x = 49,628,048,699.66
  5. Step 5: Solve for x
    x = 49,628,048,699.66/335,375.20
  6. Step 6: Final answer
    x = 147,977.69

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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.