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Finding the Fourth Proportional to 119,768.55, 179,622.17 and 35,509

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Solution

The fourth proportional to 119,768.55, 179,622.17 and 35,509 is: 53,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,768.55 : 179,622.17 = 35,509 : x
  2. Step 2: Convert to fraction form
    119,768.55/179,622.17 = 35,509/x
  3. Step 3: Cross multiply
    119,768.55x = 179,622.17 × 35,509
  4. Step 4: Simplify right side
    119,768.55x = 6,378,203,634.53
  5. Step 5: Solve for x
    x = 6,378,203,634.53/119,768.55
  6. Step 6: Final answer
    x = 53,254.41

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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.