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Finding the Fourth Proportional to 173,404.10, 260,110.77 and 61,058.77

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Solution

The fourth proportional to 173,404.10, 260,110.77 and 61,058.77 is: 91,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,404.10 : 260,110.77 = 61,058.77 : x
  2. Step 2: Convert to fraction form
    173,404.10/260,110.77 = 61,058.77/x
  3. Step 3: Cross multiply
    173,404.10x = 260,110.77 × 61,058.77
  4. Step 4: Simplify right side
    173,404.10x = 15,882,042,800.71
  5. Step 5: Solve for x
    x = 15,882,042,800.71/173,404.10
  6. Step 6: Final answer
    x = 91,589.78

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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.