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Finding the Fourth Proportional to 61,942.30, 92,445.36 and 55,963.60

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Solution

The fourth proportional to 61,942.30, 92,445.36 and 55,963.60 is: 83,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.30 : 92,445.36 = 55,963.60 : x
  2. Step 2: Convert to fraction form
    61,942.30/92,445.36 = 55,963.60/x
  3. Step 3: Cross multiply
    61,942.30x = 92,445.36 × 55,963.60
  4. Step 4: Simplify right side
    61,942.30x = 5,173,575,148.90
  5. Step 5: Solve for x
    x = 5,173,575,148.90/61,942.30
  6. Step 6: Final answer
    x = 83,522.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.