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Finding the Fourth Proportional to 114,393.25, 171,591.09 and 31,287.25

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Solution

The fourth proportional to 114,393.25, 171,591.09 and 31,287.25 is: 46,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,393.25 : 171,591.09 = 31,287.25 : x
  2. Step 2: Convert to fraction form
    114,393.25/171,591.09 = 31,287.25/x
  3. Step 3: Cross multiply
    114,393.25x = 171,591.09 × 31,287.25
  4. Step 4: Simplify right side
    114,393.25x = 5,368,613,330.60
  5. Step 5: Solve for x
    x = 5,368,613,330.60/114,393.25
  6. Step 6: Final answer
    x = 46,931.21

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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.