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Finding the Fourth Proportional to 301,501.31, 451,663.97 and 167,979.47

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Solution

The fourth proportional to 301,501.31, 451,663.97 and 167,979.47 is: 251,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,501.31 : 451,663.97 = 167,979.47 : x
  2. Step 2: Convert to fraction form
    301,501.31/451,663.97 = 167,979.47/x
  3. Step 3: Cross multiply
    301,501.31x = 451,663.97 × 167,979.47
  4. Step 4: Simplify right side
    301,501.31x = 75,870,271,200.48
  5. Step 5: Solve for x
    x = 75,870,271,200.48/301,501.31
  6. Step 6: Final answer
    x = 251,641.60

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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.