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Finding the Fourth Proportional to 173,410.29, 260,101.76 and 55,082.66

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Solution

The fourth proportional to 173,410.29, 260,101.76 and 55,082.66 is: 82,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,410.29 : 260,101.76 = 55,082.66 : x
  2. Step 2: Convert to fraction form
    173,410.29/260,101.76 = 55,082.66/x
  3. Step 3: Cross multiply
    173,410.29x = 260,101.76 × 55,082.66
  4. Step 4: Simplify right side
    173,410.29x = 14,327,095,235.56
  5. Step 5: Solve for x
    x = 14,327,095,235.56/173,410.29
  6. Step 6: Final answer
    x = 82,619.64

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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.