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Finding the Fourth Proportional to 333,457.91, 500,188.15 and 80,737.98

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Solution

The fourth proportional to 333,457.91, 500,188.15 and 80,737.98 is: 121,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,457.91 : 500,188.15 = 80,737.98 : x
  2. Step 2: Convert to fraction form
    333,457.91/500,188.15 = 80,737.98/x
  3. Step 3: Cross multiply
    333,457.91x = 500,188.15 × 80,737.98
  4. Step 4: Simplify right side
    333,457.91x = 40,384,180,850.94
  5. Step 5: Solve for x
    x = 40,384,180,850.94/333,457.91
  6. Step 6: Final answer
    x = 121,107.28

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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.