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Finding the Fourth Proportional to 172,823.75, 259,196.67 and 62,015.75

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Solution

The fourth proportional to 172,823.75, 259,196.67 and 62,015.75 is: 93,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.75 : 259,196.67 = 62,015.75 : x
  2. Step 2: Convert to fraction form
    172,823.75/259,196.67 = 62,015.75/x
  3. Step 3: Cross multiply
    172,823.75x = 259,196.67 × 62,015.75
  4. Step 4: Simplify right side
    172,823.75x = 16,074,275,887.55
  5. Step 5: Solve for x
    x = 16,074,275,887.55/172,823.75
  6. Step 6: Final answer
    x = 93,009.65

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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.