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Finding the Fourth Proportional to 248,494.56, 342,936.89 and 187,130.89

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Solution

The fourth proportional to 248,494.56, 342,936.89 and 187,130.89 is: 258,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,494.56 : 342,936.89 = 187,130.89 : x
  2. Step 2: Convert to fraction form
    248,494.56/342,936.89 = 187,130.89/x
  3. Step 3: Cross multiply
    248,494.56x = 342,936.89 × 187,130.89
  4. Step 4: Simplify right side
    248,494.56x = 64,174,085,439.53
  5. Step 5: Solve for x
    x = 64,174,085,439.53/248,494.56
  6. Step 6: Final answer
    x = 258,251.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.