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Finding the Fourth Proportional to 131,803.91, 197,664.98 and 47,553.12

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Solution

The fourth proportional to 131,803.91, 197,664.98 and 47,553.12 is: 71,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,803.91 : 197,664.98 = 47,553.12 : x
  2. Step 2: Convert to fraction form
    131,803.91/197,664.98 = 47,553.12/x
  3. Step 3: Cross multiply
    131,803.91x = 197,664.98 × 47,553.12
  4. Step 4: Simplify right side
    131,803.91x = 9,399,586,513.74
  5. Step 5: Solve for x
    x = 9,399,586,513.74/131,803.91
  6. Step 6: Final answer
    x = 71,314.93

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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.