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Finding the Fourth Proportional to 167,860.81, 251,798.16 and 49,532.15

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Solution

The fourth proportional to 167,860.81, 251,798.16 and 49,532.15 is: 74,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,860.81 : 251,798.16 = 49,532.15 : x
  2. Step 2: Convert to fraction form
    167,860.81/251,798.16 = 49,532.15/x
  3. Step 3: Cross multiply
    167,860.81x = 251,798.16 × 49,532.15
  4. Step 4: Simplify right side
    167,860.81x = 12,472,104,906.78
  5. Step 5: Solve for x
    x = 12,472,104,906.78/167,860.81
  6. Step 6: Final answer
    x = 74,300.28

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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.