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Finding the Fourth Proportional to 168,701.94, 232,821.81 and 93,257.46

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Solution

The fourth proportional to 168,701.94, 232,821.81 and 93,257.46 is: 128,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,701.94 : 232,821.81 = 93,257.46 : x
  2. Step 2: Convert to fraction form
    168,701.94/232,821.81 = 93,257.46/x
  3. Step 3: Cross multiply
    168,701.94x = 232,821.81 × 93,257.46
  4. Step 4: Simplify right side
    168,701.94x = 21,712,370,633.20
  5. Step 5: Solve for x
    x = 21,712,370,633.20/168,701.94
  6. Step 6: Final answer
    x = 128,702.55

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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.