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Finding the Fourth Proportional to 161,482.89, 222,844.77 and 89,861.68

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Solution

The fourth proportional to 161,482.89, 222,844.77 and 89,861.68 is: 124,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,482.89 : 222,844.77 = 89,861.68 : x
  2. Step 2: Convert to fraction form
    161,482.89/222,844.77 = 89,861.68/x
  3. Step 3: Cross multiply
    161,482.89x = 222,844.77 × 89,861.68
  4. Step 4: Simplify right side
    161,482.89x = 20,025,205,411.41
  5. Step 5: Solve for x
    x = 20,025,205,411.41/161,482.89
  6. Step 6: Final answer
    x = 124,008.22

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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.