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Finding the Fourth Proportional to 248,800.40, 373,200.60 and 61,811.90

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Solution

The fourth proportional to 248,800.40, 373,200.60 and 61,811.90 is: 92,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,800.40 : 373,200.60 = 61,811.90 : x
  2. Step 2: Convert to fraction form
    248,800.40/373,200.60 = 61,811.90/x
  3. Step 3: Cross multiply
    248,800.40x = 373,200.60 × 61,811.90
  4. Step 4: Simplify right side
    248,800.40x = 23,068,238,167.14
  5. Step 5: Solve for x
    x = 23,068,238,167.14/248,800.40
  6. Step 6: Final answer
    x = 92,717.85

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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.