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Finding the Fourth Proportional to 173,139.92, 238,794.60 and 119,412.56

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Solution

The fourth proportional to 173,139.92, 238,794.60 and 119,412.56 is: 164,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.92 : 238,794.60 = 119,412.56 : x
  2. Step 2: Convert to fraction form
    173,139.92/238,794.60 = 119,412.56/x
  3. Step 3: Cross multiply
    173,139.92x = 238,794.60 × 119,412.56
  4. Step 4: Simplify right side
    173,139.92x = 28,515,074,500.18
  5. Step 5: Solve for x
    x = 28,515,074,500.18/173,139.92
  6. Step 6: Final answer
    x = 164,693.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.