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Finding the Fourth Proportional to 169,603.61, 234,043.83 and 94,147.25

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Solution

The fourth proportional to 169,603.61, 234,043.83 and 94,147.25 is: 129,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,603.61 : 234,043.83 = 94,147.25 : x
  2. Step 2: Convert to fraction form
    169,603.61/234,043.83 = 94,147.25/x
  3. Step 3: Cross multiply
    169,603.61x = 234,043.83 × 94,147.25
  4. Step 4: Simplify right side
    169,603.61x = 22,034,582,973.97
  5. Step 5: Solve for x
    x = 22,034,582,973.97/169,603.61
  6. Step 6: Final answer
    x = 129,918.12

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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.