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Finding the Fourth Proportional to 173,572.80, 260,067.60 and 84,634.80

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Solution

The fourth proportional to 173,572.80, 260,067.60 and 84,634.80 is: 126,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,572.80 : 260,067.60 = 84,634.80 : x
  2. Step 2: Convert to fraction form
    173,572.80/260,067.60 = 84,634.80/x
  3. Step 3: Cross multiply
    173,572.80x = 260,067.60 × 84,634.80
  4. Step 4: Simplify right side
    173,572.80x = 22,010,769,312.48
  5. Step 5: Solve for x
    x = 22,010,769,312.48/173,572.80
  6. Step 6: Final answer
    x = 126,810.01

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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.