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Finding the Fourth Proportional to 114,452.96, 171,728.40 and 47,908.64

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Solution

The fourth proportional to 114,452.96, 171,728.40 and 47,908.64 is: 71,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,452.96 : 171,728.40 = 47,908.64 : x
  2. Step 2: Convert to fraction form
    114,452.96/171,728.40 = 47,908.64/x
  3. Step 3: Cross multiply
    114,452.96x = 171,728.40 × 47,908.64
  4. Step 4: Simplify right side
    114,452.96x = 8,227,274,093.38
  5. Step 5: Solve for x
    x = 8,227,274,093.38/114,452.96
  6. Step 6: Final answer
    x = 71,883.45

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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.