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Finding the Fourth Proportional to 333,037.44, 499,617.79 and 105,390.38

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Solution

The fourth proportional to 333,037.44, 499,617.79 and 105,390.38 is: 158,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,037.44 : 499,617.79 = 105,390.38 : x
  2. Step 2: Convert to fraction form
    333,037.44/499,617.79 = 105,390.38/x
  3. Step 3: Cross multiply
    333,037.44x = 499,617.79 × 105,390.38
  4. Step 4: Simplify right side
    333,037.44x = 52,654,909,728.43
  5. Step 5: Solve for x
    x = 52,654,909,728.43/333,037.44
  6. Step 6: Final answer
    x = 158,105.08

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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.