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Finding the Fourth Proportional to 167,748, 251,622 and 43,089

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Solution

The fourth proportional to 167,748, 251,622 and 43,089 is: 64,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,748 : 251,622 = 43,089 : x
  2. Step 2: Convert to fraction form
    167,748/251,622 = 43,089/x
  3. Step 3: Cross multiply
    167,748x = 251,622 × 43,089
  4. Step 4: Simplify right side
    167,748x = 10,842,140,358
  5. Step 5: Solve for x
    x = 10,842,140,358/167,748
  6. Step 6: Final answer
    x = 64,633.50

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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.