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Finding the Fourth Proportional to 169,581.75, 234,025.79 and 93,108.03

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Solution

The fourth proportional to 169,581.75, 234,025.79 and 93,108.03 is: 128,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,581.75 : 234,025.79 = 93,108.03 : x
  2. Step 2: Convert to fraction form
    169,581.75/234,025.79 = 93,108.03/x
  3. Step 3: Cross multiply
    169,581.75x = 234,025.79 × 93,108.03
  4. Step 4: Simplify right side
    169,581.75x = 21,789,679,810.55
  5. Step 5: Solve for x
    x = 21,789,679,810.55/169,581.75
  6. Step 6: Final answer
    x = 128,490.71

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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.