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Finding the Fourth Proportional to 173,622.60, 260,433.90 and 55,305.90

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Solution

The fourth proportional to 173,622.60, 260,433.90 and 55,305.90 is: 82,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,622.60 : 260,433.90 = 55,305.90 : x
  2. Step 2: Convert to fraction form
    173,622.60/260,433.90 = 55,305.90/x
  3. Step 3: Cross multiply
    173,622.60x = 260,433.90 × 55,305.90
  4. Step 4: Simplify right side
    173,622.60x = 14,403,531,230.01
  5. Step 5: Solve for x
    x = 14,403,531,230.01/173,622.60
  6. Step 6: Final answer
    x = 82,958.85

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1.5x scale

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.