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Finding the Fourth Proportional to 173,147.80, 259,721.70 and 94,415.80

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Solution

The fourth proportional to 173,147.80, 259,721.70 and 94,415.80 is: 141,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,147.80 : 259,721.70 = 94,415.80 : x
  2. Step 2: Convert to fraction form
    173,147.80/259,721.70 = 94,415.80/x
  3. Step 3: Cross multiply
    173,147.80x = 259,721.70 × 94,415.80
  4. Step 4: Simplify right side
    173,147.80x = 24,521,832,082.86
  5. Step 5: Solve for x
    x = 24,521,832,082.86/173,147.80
  6. Step 6: Final answer
    x = 141,623.70

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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.