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Finding the Fourth Proportional to 362,027.55, 542,877.30 and 137,313.30

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Solution

The fourth proportional to 362,027.55, 542,877.30 and 137,313.30 is: 205,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,027.55 : 542,877.30 = 137,313.30 : x
  2. Step 2: Convert to fraction form
    362,027.55/542,877.30 = 137,313.30/x
  3. Step 3: Cross multiply
    362,027.55x = 542,877.30 × 137,313.30
  4. Step 4: Simplify right side
    362,027.55x = 74,544,273,558.09
  5. Step 5: Solve for x
    x = 74,544,273,558.09/362,027.55
  6. Step 6: Final answer
    x = 205,907.74

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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.