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Finding the Fourth Proportional to 167,962.74, 251,878.47 and 74,402.88

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Solution

The fourth proportional to 167,962.74, 251,878.47 and 74,402.88 is: 111,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,962.74 : 251,878.47 = 74,402.88 : x
  2. Step 2: Convert to fraction form
    167,962.74/251,878.47 = 74,402.88/x
  3. Step 3: Cross multiply
    167,962.74x = 251,878.47 × 74,402.88
  4. Step 4: Simplify right side
    167,962.74x = 18,740,483,577.99
  5. Step 5: Solve for x
    x = 18,740,483,577.99/167,962.74
  6. Step 6: Final answer
    x = 111,575.24

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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.