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Finding the Fourth Proportional to 160,496.96, 221,485.68 and 88,877

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Solution

The fourth proportional to 160,496.96, 221,485.68 and 88,877 is: 122,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,496.96 : 221,485.68 = 88,877 : x
  2. Step 2: Convert to fraction form
    160,496.96/221,485.68 = 88,877/x
  3. Step 3: Cross multiply
    160,496.96x = 221,485.68 × 88,877
  4. Step 4: Simplify right side
    160,496.96x = 19,684,982,781.36
  5. Step 5: Solve for x
    x = 19,684,982,781.36/160,496.96
  6. Step 6: Final answer
    x = 122,650.19

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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.