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Finding the Fourth Proportional to 333,021.78, 499,499.87 and 108,373.14

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Solution

The fourth proportional to 333,021.78, 499,499.87 and 108,373.14 is: 162,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,021.78 : 499,499.87 = 108,373.14 : x
  2. Step 2: Convert to fraction form
    333,021.78/499,499.87 = 108,373.14/x
  3. Step 3: Cross multiply
    333,021.78x = 499,499.87 × 108,373.14
  4. Step 4: Simplify right side
    333,021.78x = 54,132,368,799.63
  5. Step 5: Solve for x
    x = 54,132,368,799.63/333,021.78
  6. Step 6: Final answer
    x = 162,549.03

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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.