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Finding the Fourth Proportional to 173,047.80, 259,523.10 and 54,755.40

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Solution

The fourth proportional to 173,047.80, 259,523.10 and 54,755.40 is: 82,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,047.80 : 259,523.10 = 54,755.40 : x
  2. Step 2: Convert to fraction form
    173,047.80/259,523.10 = 54,755.40/x
  3. Step 3: Cross multiply
    173,047.80x = 259,523.10 × 54,755.40
  4. Step 4: Simplify right side
    173,047.80x = 14,210,291,149.74
  5. Step 5: Solve for x
    x = 14,210,291,149.74/173,047.80
  6. Step 6: Final answer
    x = 82,117.72

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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.