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Finding the Fourth Proportional to 368,568.56, 552,791.16 and 102,355.98

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Solution

The fourth proportional to 368,568.56, 552,791.16 and 102,355.98 is: 153,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,568.56 : 552,791.16 = 102,355.98 : x
  2. Step 2: Convert to fraction form
    368,568.56/552,791.16 = 102,355.98/x
  3. Step 3: Cross multiply
    368,568.56x = 552,791.16 × 102,355.98
  4. Step 4: Simplify right side
    368,568.56x = 56,581,480,917.14
  5. Step 5: Solve for x
    x = 56,581,480,917.14/368,568.56
  6. Step 6: Final answer
    x = 153,516.84

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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.