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Finding the Fourth Proportional to 321,363.70, 482,043.03 and 96,723.16

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Solution

The fourth proportional to 321,363.70, 482,043.03 and 96,723.16 is: 145,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,363.70 : 482,043.03 = 96,723.16 : x
  2. Step 2: Convert to fraction form
    321,363.70/482,043.03 = 96,723.16/x
  3. Step 3: Cross multiply
    321,363.70x = 482,043.03 × 96,723.16
  4. Step 4: Simplify right side
    321,363.70x = 46,624,725,117.57
  5. Step 5: Solve for x
    x = 46,624,725,117.57/321,363.70
  6. Step 6: Final answer
    x = 145,083.98

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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.