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Finding the Fourth Proportional to 172,524.40, 258,794.70 and 54,199.60

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Solution

The fourth proportional to 172,524.40, 258,794.70 and 54,199.60 is: 81,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,524.40 : 258,794.70 = 54,199.60 : x
  2. Step 2: Convert to fraction form
    172,524.40/258,794.70 = 54,199.60/x
  3. Step 3: Cross multiply
    172,524.40x = 258,794.70 × 54,199.60
  4. Step 4: Simplify right side
    172,524.40x = 14,026,569,222.12
  5. Step 5: Solve for x
    x = 14,026,569,222.12/172,524.40
  6. Step 6: Final answer
    x = 81,301.94

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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.