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Finding the Fourth Proportional to 161,367.53, 222,684.03 and 89,746.02

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Solution

The fourth proportional to 161,367.53, 222,684.03 and 89,746.02 is: 123,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.53 : 222,684.03 = 89,746.02 : x
  2. Step 2: Convert to fraction form
    161,367.53/222,684.03 = 89,746.02/x
  3. Step 3: Cross multiply
    161,367.53x = 222,684.03 × 89,746.02
  4. Step 4: Simplify right side
    161,367.53x = 19,985,005,410.06
  5. Step 5: Solve for x
    x = 19,985,005,410.06/161,367.53
  6. Step 6: Final answer
    x = 123,847.75

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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.