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Finding the Fourth Proportional to 228,066.66, 342,114.03 and 87,825.42

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Solution

The fourth proportional to 228,066.66, 342,114.03 and 87,825.42 is: 131,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,066.66 : 342,114.03 = 87,825.42 : x
  2. Step 2: Convert to fraction form
    228,066.66/342,114.03 = 87,825.42/x
  3. Step 3: Cross multiply
    228,066.66x = 342,114.03 × 87,825.42
  4. Step 4: Simplify right side
    228,066.66x = 30,046,308,372.64
  5. Step 5: Solve for x
    x = 30,046,308,372.64/228,066.66
  6. Step 6: Final answer
    x = 131,743.54

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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.