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Finding the Fourth Proportional to 160,608.70, 221,671.02 and 92,669.50

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Solution

The fourth proportional to 160,608.70, 221,671.02 and 92,669.50 is: 127,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,608.70 : 221,671.02 = 92,669.50 : x
  2. Step 2: Convert to fraction form
    160,608.70/221,671.02 = 92,669.50/x
  3. Step 3: Cross multiply
    160,608.70x = 221,671.02 × 92,669.50
  4. Step 4: Simplify right side
    160,608.70x = 20,542,142,587.89
  5. Step 5: Solve for x
    x = 20,542,142,587.89/160,608.70
  6. Step 6: Final answer
    x = 127,901.80

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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.