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Finding the Fourth Proportional to 173,872.80, 260,841.60 and 55,577.70

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Solution

The fourth proportional to 173,872.80, 260,841.60 and 55,577.70 is: 83,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,872.80 : 260,841.60 = 55,577.70 : x
  2. Step 2: Convert to fraction form
    173,872.80/260,841.60 = 55,577.70/x
  3. Step 3: Cross multiply
    173,872.80x = 260,841.60 × 55,577.70
  4. Step 4: Simplify right side
    173,872.80x = 14,496,976,192.32
  5. Step 5: Solve for x
    x = 14,496,976,192.32/173,872.80
  6. Step 6: Final answer
    x = 83,376.91

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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.