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Finding the Fourth Proportional to 114,551.64, 171,794.52 and 47,990.16

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Solution

The fourth proportional to 114,551.64, 171,794.52 and 47,990.16 is: 71,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,551.64 : 171,794.52 = 47,990.16 : x
  2. Step 2: Convert to fraction form
    114,551.64/171,794.52 = 47,990.16/x
  3. Step 3: Cross multiply
    114,551.64x = 171,794.52 × 47,990.16
  4. Step 4: Simplify right side
    114,551.64x = 8,244,446,501.92
  5. Step 5: Solve for x
    x = 8,244,446,501.92/114,551.64
  6. Step 6: Final answer
    x = 71,971.44

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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.