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Finding the Fourth Proportional to 228,361.55, 342,640.73 and 95,268.02

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Solution

The fourth proportional to 228,361.55, 342,640.73 and 95,268.02 is: 142,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,361.55 : 342,640.73 = 95,268.02 : x
  2. Step 2: Convert to fraction form
    228,361.55/342,640.73 = 95,268.02/x
  3. Step 3: Cross multiply
    228,361.55x = 342,640.73 × 95,268.02
  4. Step 4: Simplify right side
    228,361.55x = 32,642,702,443.42
  5. Step 5: Solve for x
    x = 32,642,702,443.42/228,361.55
  6. Step 6: Final answer
    x = 142,943.08

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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.