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Finding the Fourth Proportional to 368,096.96, 552,129.60 and 115,372.28

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Solution

The fourth proportional to 368,096.96, 552,129.60 and 115,372.28 is: 173,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,096.96 : 552,129.60 = 115,372.28 : x
  2. Step 2: Convert to fraction form
    368,096.96/552,129.60 = 115,372.28/x
  3. Step 3: Cross multiply
    368,096.96x = 552,129.60 × 115,372.28
  4. Step 4: Simplify right side
    368,096.96x = 63,700,450,807.49
  5. Step 5: Solve for x
    x = 63,700,450,807.49/368,096.96
  6. Step 6: Final answer
    x = 173,053.46

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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.