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Finding the Fourth Proportional to 169,588.94, 234,021.03 and 94,131.50

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Solution

The fourth proportional to 169,588.94, 234,021.03 and 94,131.50 is: 129,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,588.94 : 234,021.03 = 94,131.50 : x
  2. Step 2: Convert to fraction form
    169,588.94/234,021.03 = 94,131.50/x
  3. Step 3: Cross multiply
    169,588.94x = 234,021.03 × 94,131.50
  4. Step 4: Simplify right side
    169,588.94x = 22,028,750,585.45
  5. Step 5: Solve for x
    x = 22,028,750,585.45/169,588.94
  6. Step 6: Final answer
    x = 129,894.97

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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.