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Finding the Fourth Proportional to 161,504.60, 222,874.13 and 89,884.64

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Solution

The fourth proportional to 161,504.60, 222,874.13 and 89,884.64 is: 124,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504.60 : 222,874.13 = 89,884.64 : x
  2. Step 2: Convert to fraction form
    161,504.60/222,874.13 = 89,884.64/x
  3. Step 3: Cross multiply
    161,504.60x = 222,874.13 × 89,884.64
  4. Step 4: Simplify right side
    161,504.60x = 20,032,960,940.36
  5. Step 5: Solve for x
    x = 20,032,960,940.36/161,504.60
  6. Step 6: Final answer
    x = 124,039.57

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1.5x scale

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.