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Finding the Fourth Proportional to 62,112.80, 92,974.80 and 48,893.60

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Solution

The fourth proportional to 62,112.80, 92,974.80 and 48,893.60 is: 73,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.80 : 92,974.80 = 48,893.60 : x
  2. Step 2: Convert to fraction form
    62,112.80/92,974.80 = 48,893.60/x
  3. Step 3: Cross multiply
    62,112.80x = 92,974.80 × 48,893.60
  4. Step 4: Simplify right side
    62,112.80x = 4,545,872,681.28
  5. Step 5: Solve for x
    x = 4,545,872,681.28/62,112.80
  6. Step 6: Final answer
    x = 73,187.37

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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.