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Finding the Fourth Proportional to 169,587.44, 234,018.96 and 94,130

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Solution

The fourth proportional to 169,587.44, 234,018.96 and 94,130 is: 129,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,587.44 : 234,018.96 = 94,130 : x
  2. Step 2: Convert to fraction form
    169,587.44/234,018.96 = 94,130/x
  3. Step 3: Cross multiply
    169,587.44x = 234,018.96 × 94,130
  4. Step 4: Simplify right side
    169,587.44x = 22,028,204,704.80
  5. Step 5: Solve for x
    x = 22,028,204,704.80/169,587.44
  6. Step 6: Final answer
    x = 129,892.90

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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.