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Finding the Fourth Proportional to 173,705.85, 260,579.79 and 61,363.08

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Solution

The fourth proportional to 173,705.85, 260,579.79 and 61,363.08 is: 92,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,705.85 : 260,579.79 = 61,363.08 : x
  2. Step 2: Convert to fraction form
    173,705.85/260,579.79 = 61,363.08/x
  3. Step 3: Cross multiply
    173,705.85x = 260,579.79 × 61,363.08
  4. Step 4: Simplify right side
    173,705.85x = 15,989,978,500.15
  5. Step 5: Solve for x
    x = 15,989,978,500.15/173,705.85
  6. Step 6: Final answer
    x = 92,052.04

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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.