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Finding the Fourth Proportional to 368,435.31, 552,652.92 and 102,195.83

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Solution

The fourth proportional to 368,435.31, 552,652.92 and 102,195.83 is: 153,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,435.31 : 552,652.92 = 102,195.83 : x
  2. Step 2: Convert to fraction form
    368,435.31/552,652.92 = 102,195.83/x
  3. Step 3: Cross multiply
    368,435.31x = 552,652.92 × 102,195.83
  4. Step 4: Simplify right side
    368,435.31x = 56,478,821,098.06
  5. Step 5: Solve for x
    x = 56,478,821,098.06/368,435.31
  6. Step 6: Final answer
    x = 153,293.73

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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.