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Finding the Fourth Proportional to 173,675.34, 260,104.77 and 84,649.86

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Solution

The fourth proportional to 173,675.34, 260,104.77 and 84,649.86 is: 126,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,675.34 : 260,104.77 = 84,649.86 : x
  2. Step 2: Convert to fraction form
    173,675.34/260,104.77 = 84,649.86/x
  3. Step 3: Cross multiply
    173,675.34x = 260,104.77 × 84,649.86
  4. Step 4: Simplify right side
    173,675.34x = 22,017,832,365.83
  5. Step 5: Solve for x
    x = 22,017,832,365.83/173,675.34
  6. Step 6: Final answer
    x = 126,775.81

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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.