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Finding the Fourth Proportional to 173,035.92, 238,768.20 and 101,399.52

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Solution

The fourth proportional to 173,035.92, 238,768.20 and 101,399.52 is: 139,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,035.92 : 238,768.20 = 101,399.52 : x
  2. Step 2: Convert to fraction form
    173,035.92/238,768.20 = 101,399.52/x
  3. Step 3: Cross multiply
    173,035.92x = 238,768.20 × 101,399.52
  4. Step 4: Simplify right side
    173,035.92x = 24,210,980,871.26
  5. Step 5: Solve for x
    x = 24,210,980,871.26/173,035.92
  6. Step 6: Final answer
    x = 139,918.81

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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.