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Finding the Fourth Proportional to 167,970.60, 231,792.48 and 91,490.00

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Solution

The fourth proportional to 167,970.60, 231,792.48 and 91,490.00 is: 126,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,970.60 : 231,792.48 = 91,490.00 : x
  2. Step 2: Convert to fraction form
    167,970.60/231,792.48 = 91,490.00/x
  3. Step 3: Cross multiply
    167,970.60x = 231,792.48 × 91,490.00
  4. Step 4: Simplify right side
    167,970.60x = 21,206,692,836.24
  5. Step 5: Solve for x
    x = 21,206,692,836.24/167,970.60
  6. Step 6: Final answer
    x = 126,252.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.