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Finding the Fourth Proportional to 198,886.48, 298,240.44 and 58,595.92

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Solution

The fourth proportional to 198,886.48, 298,240.44 and 58,595.92 is: 87,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,886.48 : 298,240.44 = 58,595.92 : x
  2. Step 2: Convert to fraction form
    198,886.48/298,240.44 = 58,595.92/x
  3. Step 3: Cross multiply
    198,886.48x = 298,240.44 × 58,595.92
  4. Step 4: Simplify right side
    198,886.48x = 17,475,672,963.00
  5. Step 5: Solve for x
    x = 17,475,672,963.00/198,886.48
  6. Step 6: Final answer
    x = 87,867.58

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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.