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Finding the Fourth Proportional to 114,548.44, 171,781.47 and 39,648.28

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Solution

The fourth proportional to 114,548.44, 171,781.47 and 39,648.28 is: 59,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,548.44 : 171,781.47 = 39,648.28 : x
  2. Step 2: Convert to fraction form
    114,548.44/171,781.47 = 39,648.28/x
  3. Step 3: Cross multiply
    114,548.44x = 171,781.47 × 39,648.28
  4. Step 4: Simplify right side
    114,548.44x = 6,810,839,821.37
  5. Step 5: Solve for x
    x = 6,810,839,821.37/114,548.44
  6. Step 6: Final answer
    x = 59,458.16

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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.