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Finding the Fourth Proportional to 173,874.87, 260,781.48 and 79,082.91

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Solution

The fourth proportional to 173,874.87, 260,781.48 and 79,082.91 is: 118,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,874.87 : 260,781.48 = 79,082.91 : x
  2. Step 2: Convert to fraction form
    173,874.87/260,781.48 = 79,082.91/x
  3. Step 3: Cross multiply
    173,874.87x = 260,781.48 × 79,082.91
  4. Step 4: Simplify right side
    173,874.87x = 20,623,358,312.51
  5. Step 5: Solve for x
    x = 20,623,358,312.51/173,874.87
  6. Step 6: Final answer
    x = 118,610.34

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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.