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Finding the Fourth Proportional to 224,662.38, 310,028.13 and 122,690.58

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Solution

The fourth proportional to 224,662.38, 310,028.13 and 122,690.58 is: 169,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,662.38 : 310,028.13 = 122,690.58 : x
  2. Step 2: Convert to fraction form
    224,662.38/310,028.13 = 122,690.58/x
  3. Step 3: Cross multiply
    224,662.38x = 310,028.13 × 122,690.58
  4. Step 4: Simplify right side
    224,662.38x = 38,037,531,086.02
  5. Step 5: Solve for x
    x = 38,037,531,086.02/224,662.38
  6. Step 6: Final answer
    x = 169,309.75

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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.