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Finding the Fourth Proportional to 195,431.40, 264,039.75 and 195,431.40

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Solution

The fourth proportional to 195,431.40, 264,039.75 and 195,431.40 is: 264,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,431.40 : 264,039.75 = 195,431.40 : x
  2. Step 2: Convert to fraction form
    195,431.40/264,039.75 = 195,431.40/x
  3. Step 3: Cross multiply
    195,431.40x = 264,039.75 × 195,431.40
  4. Step 4: Simplify right side
    195,431.40x = 51,601,657,998.15
  5. Step 5: Solve for x
    x = 51,601,657,998.15/195,431.40
  6. Step 6: Final answer
    x = 264,039.75

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.