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Finding the Fourth Proportional to 98,833.92, 136,385.42 and 58,551.41

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Solution

The fourth proportional to 98,833.92, 136,385.42 and 58,551.41 is: 80,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,833.92 : 136,385.42 = 58,551.41 : x
  2. Step 2: Convert to fraction form
    98,833.92/136,385.42 = 58,551.41/x
  3. Step 3: Cross multiply
    98,833.92x = 136,385.42 × 58,551.41
  4. Step 4: Simplify right side
    98,833.92x = 7,985,557,669.76
  5. Step 5: Solve for x
    x = 7,985,557,669.76/98,833.92
  6. Step 6: Final answer
    x = 80,797.74

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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.