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Finding the Fourth Proportional to 151,327.92, 208,647.49 and 94,640.88

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Solution

The fourth proportional to 151,327.92, 208,647.49 and 94,640.88 is: 130,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,327.92 : 208,647.49 = 94,640.88 : x
  2. Step 2: Convert to fraction form
    151,327.92/208,647.49 = 94,640.88/x
  3. Step 3: Cross multiply
    151,327.92x = 208,647.49 × 94,640.88
  4. Step 4: Simplify right side
    151,327.92x = 19,746,582,063.39
  5. Step 5: Solve for x
    x = 19,746,582,063.39/151,327.92
  6. Step 6: Final answer
    x = 130,488.69

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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.