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Finding the Fourth Proportional to 181,208.72, 250,049.76 and 105,800.96

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Solution

The fourth proportional to 181,208.72, 250,049.76 and 105,800.96 is: 145,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,208.72 : 250,049.76 = 105,800.96 : x
  2. Step 2: Convert to fraction form
    181,208.72/250,049.76 = 105,800.96/x
  3. Step 3: Cross multiply
    181,208.72x = 250,049.76 × 105,800.96
  4. Step 4: Simplify right side
    181,208.72x = 26,455,504,655.77
  5. Step 5: Solve for x
    x = 26,455,504,655.77/181,208.72
  6. Step 6: Final answer
    x = 145,994.66

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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.