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Finding the Fourth Proportional to 248,866.80, 373,301.55 and 61,878.30

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Solution

The fourth proportional to 248,866.80, 373,301.55 and 61,878.30 is: 92,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,866.80 : 373,301.55 = 61,878.30 : x
  2. Step 2: Convert to fraction form
    248,866.80/373,301.55 = 61,878.30/x
  3. Step 3: Cross multiply
    248,866.80x = 373,301.55 × 61,878.30
  4. Step 4: Simplify right side
    248,866.80x = 23,099,265,301.37
  5. Step 5: Solve for x
    x = 23,099,265,301.37/248,866.80
  6. Step 6: Final answer
    x = 92,817.79

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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.