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Finding the Fourth Proportional to 169,602.36, 234,042.12 and 94,146

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Solution

The fourth proportional to 169,602.36, 234,042.12 and 94,146 is: 129,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,602.36 : 234,042.12 = 94,146 : x
  2. Step 2: Convert to fraction form
    169,602.36/234,042.12 = 94,146/x
  3. Step 3: Cross multiply
    169,602.36x = 234,042.12 × 94,146
  4. Step 4: Simplify right side
    169,602.36x = 22,034,129,429.52
  5. Step 5: Solve for x
    x = 22,034,129,429.52/169,602.36
  6. Step 6: Final answer
    x = 129,916.41

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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.