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Finding the Fourth Proportional to 169,373.49, 254,158.64 and 75,879.24

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Solution

The fourth proportional to 169,373.49, 254,158.64 and 75,879.24 is: 113,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,373.49 : 254,158.64 = 75,879.24 : x
  2. Step 2: Convert to fraction form
    169,373.49/254,158.64 = 75,879.24/x
  3. Step 3: Cross multiply
    169,373.49x = 254,158.64 × 75,879.24
  4. Step 4: Simplify right side
    169,373.49x = 19,285,364,442.63
  5. Step 5: Solve for x
    x = 19,285,364,442.63/169,373.49
  6. Step 6: Final answer
    x = 113,862.95

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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.