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Finding the Fourth Proportional to 168,183.95, 251,990.45 and 101,483.93

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Solution

The fourth proportional to 168,183.95, 251,990.45 and 101,483.93 is: 152,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,183.95 : 251,990.45 = 101,483.93 : x
  2. Step 2: Convert to fraction form
    168,183.95/251,990.45 = 101,483.93/x
  3. Step 3: Cross multiply
    168,183.95x = 251,990.45 × 101,483.93
  4. Step 4: Simplify right side
    168,183.95x = 25,572,979,421.10
  5. Step 5: Solve for x
    x = 25,572,979,421.10/168,183.95
  6. Step 6: Final answer
    x = 152,053.63

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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.