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Finding the Fourth Proportional to 173,391.17, 260,095.77 and 55,071.77

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Solution

The fourth proportional to 173,391.17, 260,095.77 and 55,071.77 is: 82,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,391.17 : 260,095.77 = 55,071.77 : x
  2. Step 2: Convert to fraction form
    173,391.17/260,095.77 = 55,071.77/x
  3. Step 3: Cross multiply
    173,391.17x = 260,095.77 × 55,071.77
  4. Step 4: Simplify right side
    173,391.17x = 14,323,933,122.93
  5. Step 5: Solve for x
    x = 14,323,933,122.93/173,391.17
  6. Step 6: Final answer
    x = 82,610.51

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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.