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Finding the Fourth Proportional to 167,888.78, 251,860.53 and 49,572.08

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Solution

The fourth proportional to 167,888.78, 251,860.53 and 49,572.08 is: 74,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,888.78 : 251,860.53 = 49,572.08 : x
  2. Step 2: Convert to fraction form
    167,888.78/251,860.53 = 49,572.08/x
  3. Step 3: Cross multiply
    167,888.78x = 251,860.53 × 49,572.08
  4. Step 4: Simplify right side
    167,888.78x = 12,485,250,342.00
  5. Step 5: Solve for x
    x = 12,485,250,342.00/167,888.78
  6. Step 6: Final answer
    x = 74,366.20

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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.