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Finding the Fourth Proportional to 333,754.60, 500,635.06 and 81,037.34

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Solution

The fourth proportional to 333,754.60, 500,635.06 and 81,037.34 is: 121,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,754.60 : 500,635.06 = 81,037.34 : x
  2. Step 2: Convert to fraction form
    333,754.60/500,635.06 = 81,037.34/x
  3. Step 3: Cross multiply
    333,754.60x = 500,635.06 × 81,037.34
  4. Step 4: Simplify right side
    333,754.60x = 40,570,133,573.14
  5. Step 5: Solve for x
    x = 40,570,133,573.14/333,754.60
  6. Step 6: Final answer
    x = 121,556.78

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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.