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Finding the Fourth Proportional to 228,361.62, 342,099.33 and 168,281.10

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Solution

The fourth proportional to 228,361.62, 342,099.33 and 168,281.10 is: 252,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,361.62 : 342,099.33 = 168,281.10 : x
  2. Step 2: Convert to fraction form
    228,361.62/342,099.33 = 168,281.10/x
  3. Step 3: Cross multiply
    228,361.62x = 342,099.33 × 168,281.10
  4. Step 4: Simplify right side
    228,361.62x = 57,568,851,561.66
  5. Step 5: Solve for x
    x = 57,568,851,561.66/228,361.62
  6. Step 6: Final answer
    x = 252,095.13

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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.