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Finding the Fourth Proportional to 248,900.40, 373,350.60 and 61,911.90

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Solution

The fourth proportional to 248,900.40, 373,350.60 and 61,911.90 is: 92,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,900.40 : 373,350.60 = 61,911.90 : x
  2. Step 2: Convert to fraction form
    248,900.40/373,350.60 = 61,911.90/x
  3. Step 3: Cross multiply
    248,900.40x = 373,350.60 × 61,911.90
  4. Step 4: Simplify right side
    248,900.40x = 23,114,845,012.14
  5. Step 5: Solve for x
    x = 23,114,845,012.14/248,900.40
  6. Step 6: Final answer
    x = 92,867.85

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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.