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Finding the Fourth Proportional to 168,000.51, 251,874.01 and 101,424.81

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Solution

The fourth proportional to 168,000.51, 251,874.01 and 101,424.81 is: 152,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.51 : 251,874.01 = 101,424.81 : x
  2. Step 2: Convert to fraction form
    168,000.51/251,874.01 = 101,424.81/x
  3. Step 3: Cross multiply
    168,000.51x = 251,874.01 × 101,424.81
  4. Step 4: Simplify right side
    168,000.51x = 25,546,273,608.19
  5. Step 5: Solve for x
    x = 25,546,273,608.19/168,000.51
  6. Step 6: Final answer
    x = 152,060.69

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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.