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Finding the Fourth Proportional to 169,259.86, 253,640.31 and 94,276.78

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Solution

The fourth proportional to 169,259.86, 253,640.31 and 94,276.78 is: 141,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,259.86 : 253,640.31 = 94,276.78 : x
  2. Step 2: Convert to fraction form
    169,259.86/253,640.31 = 94,276.78/x
  3. Step 3: Cross multiply
    169,259.86x = 253,640.31 × 94,276.78
  4. Step 4: Simplify right side
    169,259.86x = 23,912,391,705.00
  5. Step 5: Solve for x
    x = 23,912,391,705.00/169,259.86
  6. Step 6: Final answer
    x = 141,276.21

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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.