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Finding the Fourth Proportional to 167,792.40, 251,429.40 and 145,501.20

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Solution

The fourth proportional to 167,792.40, 251,429.40 and 145,501.20 is: 218,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,792.40 : 251,429.40 = 145,501.20 : x
  2. Step 2: Convert to fraction form
    167,792.40/251,429.40 = 145,501.20/x
  3. Step 3: Cross multiply
    167,792.40x = 251,429.40 × 145,501.20
  4. Step 4: Simplify right side
    167,792.40x = 36,583,279,415.28
  5. Step 5: Solve for x
    x = 36,583,279,415.28/167,792.40
  6. Step 6: Final answer
    x = 218,027.03

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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.