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Finding the Fourth Proportional to 169,730.78, 234,235.89 and 94,279.28

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Solution

The fourth proportional to 169,730.78, 234,235.89 and 94,279.28 is: 130,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,730.78 : 234,235.89 = 94,279.28 : x
  2. Step 2: Convert to fraction form
    169,730.78/234,235.89 = 94,279.28/x
  3. Step 3: Cross multiply
    169,730.78x = 234,235.89 × 94,279.28
  4. Step 4: Simplify right side
    169,730.78x = 22,083,591,059.36
  5. Step 5: Solve for x
    x = 22,083,591,059.36/169,730.78
  6. Step 6: Final answer
    x = 130,109.52

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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.