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Finding the Fourth Proportional to 173,879.10, 260,490.60 and 162,069.30

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Solution

The fourth proportional to 173,879.10, 260,490.60 and 162,069.30 is: 242,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.10 : 260,490.60 = 162,069.30 : x
  2. Step 2: Convert to fraction form
    173,879.10/260,490.60 = 162,069.30/x
  3. Step 3: Cross multiply
    173,879.10x = 260,490.60 × 162,069.30
  4. Step 4: Simplify right side
    173,879.10x = 42,217,529,198.58
  5. Step 5: Solve for x
    x = 42,217,529,198.58/173,879.10
  6. Step 6: Final answer
    x = 242,798.18

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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.