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Finding the Fourth Proportional to 167,814.33, 251,643.44 and 61,124.01

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Solution

The fourth proportional to 167,814.33, 251,643.44 and 61,124.01 is: 91,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,814.33 : 251,643.44 = 61,124.01 : x
  2. Step 2: Convert to fraction form
    167,814.33/251,643.44 = 61,124.01/x
  3. Step 3: Cross multiply
    167,814.33x = 251,643.44 × 61,124.01
  4. Step 4: Simplify right side
    167,814.33x = 15,381,454,884.78
  5. Step 5: Solve for x
    x = 15,381,454,884.78/167,814.33
  6. Step 6: Final answer
    x = 91,657.58

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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.