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Finding the Fourth Proportional to 199,026.84, 298,484.81 and 65,917.52

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Solution

The fourth proportional to 199,026.84, 298,484.81 and 65,917.52 is: 98,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,026.84 : 298,484.81 = 65,917.52 : x
  2. Step 2: Convert to fraction form
    199,026.84/298,484.81 = 65,917.52/x
  3. Step 3: Cross multiply
    199,026.84x = 298,484.81 × 65,917.52
  4. Step 4: Simplify right side
    199,026.84x = 19,675,378,432.87
  5. Step 5: Solve for x
    x = 19,675,378,432.87/199,026.84
  6. Step 6: Final answer
    x = 98,857.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.