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Finding the Fourth Proportional to 167,430.40, 251,066.40 and 97,331.20

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Solution

The fourth proportional to 167,430.40, 251,066.40 and 97,331.20 is: 145,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.40 : 251,066.40 = 97,331.20 : x
  2. Step 2: Convert to fraction form
    167,430.40/251,066.40 = 97,331.20/x
  3. Step 3: Cross multiply
    167,430.40x = 251,066.40 × 97,331.20
  4. Step 4: Simplify right side
    167,430.40x = 24,436,593,991.68
  5. Step 5: Solve for x
    x = 24,436,593,991.68/167,430.40
  6. Step 6: Final answer
    x = 145,950.76

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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.