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Finding the Fourth Proportional to 160,602.48, 221,628.15 and 88,982.28

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Solution

The fourth proportional to 160,602.48, 221,628.15 and 88,982.28 is: 122,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.48 : 221,628.15 = 88,982.28 : x
  2. Step 2: Convert to fraction form
    160,602.48/221,628.15 = 88,982.28/x
  3. Step 3: Cross multiply
    160,602.48x = 221,628.15 × 88,982.28
  4. Step 4: Simplify right side
    160,602.48x = 19,720,978,099.18
  5. Step 5: Solve for x
    x = 19,720,978,099.18/160,602.48
  6. Step 6: Final answer
    x = 122,793.73

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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.