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Finding the Fourth Proportional to 173,086.60, 259,702.80 and 94,257.40

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Solution

The fourth proportional to 173,086.60, 259,702.80 and 94,257.40 is: 141,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,086.60 : 259,702.80 = 94,257.40 : x
  2. Step 2: Convert to fraction form
    173,086.60/259,702.80 = 94,257.40/x
  3. Step 3: Cross multiply
    173,086.60x = 259,702.80 × 94,257.40
  4. Step 4: Simplify right side
    173,086.60x = 24,478,910,700.72
  5. Step 5: Solve for x
    x = 24,478,910,700.72/173,086.60
  6. Step 6: Final answer
    x = 141,425.80

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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.