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Finding the Fourth Proportional to 167,661.95, 251,500.64 and 55,351.94

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Solution

The fourth proportional to 167,661.95, 251,500.64 and 55,351.94 is: 83,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,661.95 : 251,500.64 = 55,351.94 : x
  2. Step 2: Convert to fraction form
    167,661.95/251,500.64 = 55,351.94/x
  3. Step 3: Cross multiply
    167,661.95x = 251,500.64 × 55,351.94
  4. Step 4: Simplify right side
    167,661.95x = 13,921,046,800.98
  5. Step 5: Solve for x
    x = 13,921,046,800.98/167,661.95
  6. Step 6: Final answer
    x = 83,030.45

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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.