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Finding the Fourth Proportional to 173,608.53, 260,346.71 and 61,267.82

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Solution

The fourth proportional to 173,608.53, 260,346.71 and 61,267.82 is: 91,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,608.53 : 260,346.71 = 61,267.82 : x
  2. Step 2: Convert to fraction form
    173,608.53/260,346.71 = 61,267.82/x
  3. Step 3: Cross multiply
    173,608.53x = 260,346.71 × 61,267.82
  4. Step 4: Simplify right side
    173,608.53x = 15,950,873,757.80
  5. Step 5: Solve for x
    x = 15,950,873,757.80/173,608.53
  6. Step 6: Final answer
    x = 91,878.40

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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.