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Finding the Fourth Proportional to 160,650.76, 221,721.96 and 92,655.04

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Solution

The fourth proportional to 160,650.76, 221,721.96 and 92,655.04 is: 127,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,650.76 : 221,721.96 = 92,655.04 : x
  2. Step 2: Convert to fraction form
    160,650.76/221,721.96 = 92,655.04/x
  3. Step 3: Cross multiply
    160,650.76x = 221,721.96 × 92,655.04
  4. Step 4: Simplify right side
    160,650.76x = 20,543,657,072.68
  5. Step 5: Solve for x
    x = 20,543,657,072.68/160,650.76
  6. Step 6: Final answer
    x = 127,877.75

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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.