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Finding the Fourth Proportional to 169,709.94, 254,672.10 and 94,879.17

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Solution

The fourth proportional to 169,709.94, 254,672.10 and 94,879.17 is: 142,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,709.94 : 254,672.10 = 94,879.17 : x
  2. Step 2: Convert to fraction form
    169,709.94/254,672.10 = 94,879.17/x
  3. Step 3: Cross multiply
    169,709.94x = 254,672.10 × 94,879.17
  4. Step 4: Simplify right side
    169,709.94x = 24,163,077,470.16
  5. Step 5: Solve for x
    x = 24,163,077,470.16/169,709.94
  6. Step 6: Final answer
    x = 142,378.68

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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.