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Finding the Fourth Proportional to 173,790.62, 260,690.48 and 55,461.84

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Solution

The fourth proportional to 173,790.62, 260,690.48 and 55,461.84 is: 83,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790.62 : 260,690.48 = 55,461.84 : x
  2. Step 2: Convert to fraction form
    173,790.62/260,690.48 = 55,461.84/x
  3. Step 3: Cross multiply
    173,790.62x = 260,690.48 × 55,461.84
  4. Step 4: Simplify right side
    173,790.62x = 14,458,373,691.28
  5. Step 5: Solve for x
    x = 14,458,373,691.28/173,790.62
  6. Step 6: Final answer
    x = 83,194.21

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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.