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Finding the Fourth Proportional to 173,879.90, 260,819.85 and 134,465.30

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Solution

The fourth proportional to 173,879.90, 260,819.85 and 134,465.30 is: 201,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.90 : 260,819.85 = 134,465.30 : x
  2. Step 2: Convert to fraction form
    173,879.90/260,819.85 = 134,465.30/x
  3. Step 3: Cross multiply
    173,879.90x = 260,819.85 × 134,465.30
  4. Step 4: Simplify right side
    173,879.90x = 35,071,219,376.21
  5. Step 5: Solve for x
    x = 35,071,219,376.21/173,879.90
  6. Step 6: Final answer
    x = 201,697.95

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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.