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Finding the Fourth Proportional to 248,866.70, 373,301.46 and 61,878.20

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Solution

The fourth proportional to 248,866.70, 373,301.46 and 61,878.20 is: 92,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,866.70 : 373,301.46 = 61,878.20 : x
  2. Step 2: Convert to fraction form
    248,866.70/373,301.46 = 61,878.20/x
  3. Step 3: Cross multiply
    248,866.70x = 373,301.46 × 61,878.20
  4. Step 4: Simplify right side
    248,866.70x = 23,099,220,535.66
  5. Step 5: Solve for x
    x = 23,099,220,535.66/248,866.70
  6. Step 6: Final answer
    x = 92,817.64

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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.