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Finding the Fourth Proportional to 224,243.28, 336,138.12 and 145,407.60

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Solution

The fourth proportional to 224,243.28, 336,138.12 and 145,407.60 is: 217,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,243.28 : 336,138.12 = 145,407.60 : x
  2. Step 2: Convert to fraction form
    224,243.28/336,138.12 = 145,407.60/x
  3. Step 3: Cross multiply
    224,243.28x = 336,138.12 × 145,407.60
  4. Step 4: Simplify right side
    224,243.28x = 48,877,037,297.71
  5. Step 5: Solve for x
    x = 48,877,037,297.71/224,243.28
  6. Step 6: Final answer
    x = 217,964.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.