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Finding the Fourth Proportional to 119,768.70, 179,622.39 and 35,509.16

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Solution

The fourth proportional to 119,768.70, 179,622.39 and 35,509.16 is: 53,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,768.70 : 179,622.39 = 35,509.16 : x
  2. Step 2: Convert to fraction form
    119,768.70/179,622.39 = 35,509.16/x
  3. Step 3: Cross multiply
    119,768.70x = 179,622.39 × 35,509.16
  4. Step 4: Simplify right side
    119,768.70x = 6,378,240,186.09
  5. Step 5: Solve for x
    x = 6,378,240,186.09/119,768.70
  6. Step 6: Final answer
    x = 53,254.65

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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.