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Finding the Fourth Proportional to 119,424.90, 179,138.88 and 35,165.90

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Solution

The fourth proportional to 119,424.90, 179,138.88 and 35,165.90 is: 52,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,424.90 : 179,138.88 = 35,165.90 : x
  2. Step 2: Convert to fraction form
    119,424.90/179,138.88 = 35,165.90/x
  3. Step 3: Cross multiply
    119,424.90x = 179,138.88 × 35,165.90
  4. Step 4: Simplify right side
    119,424.90x = 6,299,579,940.19
  5. Step 5: Solve for x
    x = 6,299,579,940.19/119,424.90
  6. Step 6: Final answer
    x = 52,749.30

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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.