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Finding the Fourth Proportional to 333,903.62, 500,886.36 and 120,724.85

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Solution

The fourth proportional to 333,903.62, 500,886.36 and 120,724.85 is: 181,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,903.62 : 500,886.36 = 120,724.85 : x
  2. Step 2: Convert to fraction form
    333,903.62/500,886.36 = 120,724.85/x
  3. Step 3: Cross multiply
    333,903.62x = 500,886.36 × 120,724.85
  4. Step 4: Simplify right side
    333,903.62x = 60,469,428,173.61
  5. Step 5: Solve for x
    x = 60,469,428,173.61/333,903.62
  6. Step 6: Final answer
    x = 181,098.45

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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.