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Finding the Fourth Proportional to 62,111.80, 92,973.30 and 48,892.60

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Solution

The fourth proportional to 62,111.80, 92,973.30 and 48,892.60 is: 73,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,111.80 : 92,973.30 = 48,892.60 : x
  2. Step 2: Convert to fraction form
    62,111.80/92,973.30 = 48,892.60/x
  3. Step 3: Cross multiply
    62,111.80x = 92,973.30 × 48,892.60
  4. Step 4: Simplify right side
    62,111.80x = 4,545,706,367.58
  5. Step 5: Solve for x
    x = 4,545,706,367.58/62,111.80
  6. Step 6: Final answer
    x = 73,185.87

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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.