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Finding the Fourth Proportional to 114,775.92, 172,173.78 and 31,669.92

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Solution

The fourth proportional to 114,775.92, 172,173.78 and 31,669.92 is: 47,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,775.92 : 172,173.78 = 31,669.92 : x
  2. Step 2: Convert to fraction form
    114,775.92/172,173.78 = 31,669.92/x
  3. Step 3: Cross multiply
    114,775.92x = 172,173.78 × 31,669.92
  4. Step 4: Simplify right side
    114,775.92x = 5,452,729,838.70
  5. Step 5: Solve for x
    x = 5,452,729,838.70/114,775.92
  6. Step 6: Final answer
    x = 47,507.61

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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.