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Finding the Fourth Proportional to 368,443.53, 552,665.21 and 102,204.05

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Solution

The fourth proportional to 368,443.53, 552,665.21 and 102,204.05 is: 153,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,443.53 : 552,665.21 = 102,204.05 : x
  2. Step 2: Convert to fraction form
    368,443.53/552,665.21 = 102,204.05/x
  3. Step 3: Cross multiply
    368,443.53x = 552,665.21 × 102,204.05
  4. Step 4: Simplify right side
    368,443.53x = 56,484,619,481.75
  5. Step 5: Solve for x
    x = 56,484,619,481.75/368,443.53
  6. Step 6: Final answer
    x = 153,306.04

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Why These Related Problems?

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