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Finding the Fourth Proportional to 151,398.63, 209,071.44 and 94,908.42

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Solution

The fourth proportional to 151,398.63, 209,071.44 and 94,908.42 is: 131,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,398.63 : 209,071.44 = 94,908.42 : x
  2. Step 2: Convert to fraction form
    151,398.63/209,071.44 = 94,908.42/x
  3. Step 3: Cross multiply
    151,398.63x = 209,071.44 × 94,908.42
  4. Step 4: Simplify right side
    151,398.63x = 19,842,640,037.52
  5. Step 5: Solve for x
    x = 19,842,640,037.52/151,398.63
  6. Step 6: Final answer
    x = 131,062.22

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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.