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Finding the Fourth Proportional to 172,794.88, 259,153.43 and 61,986.88

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Solution

The fourth proportional to 172,794.88, 259,153.43 and 61,986.88 is: 92,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,794.88 : 259,153.43 = 61,986.88 : x
  2. Step 2: Convert to fraction form
    172,794.88/259,153.43 = 61,986.88/x
  3. Step 3: Cross multiply
    172,794.88x = 259,153.43 × 61,986.88
  4. Step 4: Simplify right side
    172,794.88x = 16,064,112,074.08
  5. Step 5: Solve for x
    x = 16,064,112,074.08/172,794.88
  6. Step 6: Final answer
    x = 92,966.37

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1.5x scale

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.