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Finding the Fourth Proportional to 248,854.70, 373,283.40 and 61,866.20

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Solution

The fourth proportional to 248,854.70, 373,283.40 and 61,866.20 is: 92,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,854.70 : 373,283.40 = 61,866.20 : x
  2. Step 2: Convert to fraction form
    248,854.70/373,283.40 = 61,866.20/x
  3. Step 3: Cross multiply
    248,854.70x = 373,283.40 × 61,866.20
  4. Step 4: Simplify right side
    248,854.70x = 23,093,625,481.08
  5. Step 5: Solve for x
    x = 23,093,625,481.08/248,854.70
  6. Step 6: Final answer
    x = 92,799.64

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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.