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Finding the Fourth Proportional to 161,662.14, 223,084.89 and 89,050.80

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Solution

The fourth proportional to 161,662.14, 223,084.89 and 89,050.80 is: 122,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,662.14 : 223,084.89 = 89,050.80 : x
  2. Step 2: Convert to fraction form
    161,662.14/223,084.89 = 89,050.80/x
  3. Step 3: Cross multiply
    161,662.14x = 223,084.89 × 89,050.80
  4. Step 4: Simplify right side
    161,662.14x = 19,865,887,922.41
  5. Step 5: Solve for x
    x = 19,865,887,922.41/161,662.14
  6. Step 6: Final answer
    x = 122,885.22

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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.