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Finding the Fourth Proportional to 73,111.74, 100,893.33 and 41,281.98

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Solution

The fourth proportional to 73,111.74, 100,893.33 and 41,281.98 is: 56,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,111.74 : 100,893.33 = 41,281.98 : x
  2. Step 2: Convert to fraction form
    73,111.74/100,893.33 = 41,281.98/x
  3. Step 3: Cross multiply
    73,111.74x = 100,893.33 × 41,281.98
  4. Step 4: Simplify right side
    73,111.74x = 4,165,076,431.19
  5. Step 5: Solve for x
    x = 4,165,076,431.19/73,111.74
  6. Step 6: Final answer
    x = 56,968.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.