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Finding the Fourth Proportional to 173,847.60, 260,965.80 and 134,578.80

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Solution

The fourth proportional to 173,847.60, 260,965.80 and 134,578.80 is: 202,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,847.60 : 260,965.80 = 134,578.80 : x
  2. Step 2: Convert to fraction form
    173,847.60/260,965.80 = 134,578.80/x
  3. Step 3: Cross multiply
    173,847.60x = 260,965.80 × 134,578.80
  4. Step 4: Simplify right side
    173,847.60x = 35,120,464,205.04
  5. Step 5: Solve for x
    x = 35,120,464,205.04/173,847.60
  6. Step 6: Final answer
    x = 202,018.69

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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.