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Finding the Fourth Proportional to 151,358.96, 208,976.02 and 94,083.86

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Solution

The fourth proportional to 151,358.96, 208,976.02 and 94,083.86 is: 129,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,358.96 : 208,976.02 = 94,083.86 : x
  2. Step 2: Convert to fraction form
    151,358.96/208,976.02 = 94,083.86/x
  3. Step 3: Cross multiply
    151,358.96x = 208,976.02 × 94,083.86
  4. Step 4: Simplify right side
    151,358.96x = 19,661,270,609.04
  5. Step 5: Solve for x
    x = 19,661,270,609.04/151,358.96
  6. Step 6: Final answer
    x = 129,898.29

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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.