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Finding the Fourth Proportional to 61,880.10, 92,893.05 and 61,442.70

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Solution

The fourth proportional to 61,880.10, 92,893.05 and 61,442.70 is: 92,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.10 : 92,893.05 = 61,442.70 : x
  2. Step 2: Convert to fraction form
    61,880.10/92,893.05 = 61,442.70/x
  3. Step 3: Cross multiply
    61,880.10x = 92,893.05 × 61,442.70
  4. Step 4: Simplify right side
    61,880.10x = 5,707,599,803.24
  5. Step 5: Solve for x
    x = 5,707,599,803.24/61,880.10
  6. Step 6: Final answer
    x = 92,236.43

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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.