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Finding the Fourth Proportional to 73,253.06, 109,879.60 and 26,495

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Solution

The fourth proportional to 73,253.06, 109,879.60 and 26,495 is: 39,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.06 : 109,879.60 = 26,495 : x
  2. Step 2: Convert to fraction form
    73,253.06/109,879.60 = 26,495/x
  3. Step 3: Cross multiply
    73,253.06x = 109,879.60 × 26,495
  4. Step 4: Simplify right side
    73,253.06x = 2,911,260,002
  5. Step 5: Solve for x
    x = 2,911,260,002/73,253.06
  6. Step 6: Final answer
    x = 39,742.50

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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.