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Finding the Fourth Proportional to 82,118.78, 113,323.98 and 44,393.02

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Solution

The fourth proportional to 82,118.78, 113,323.98 and 44,393.02 is: 61,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,118.78 : 113,323.98 = 44,393.02 : x
  2. Step 2: Convert to fraction form
    82,118.78/113,323.98 = 44,393.02/x
  3. Step 3: Cross multiply
    82,118.78x = 113,323.98 × 44,393.02
  4. Step 4: Simplify right side
    82,118.78x = 5,030,793,710.62
  5. Step 5: Solve for x
    x = 5,030,793,710.62/82,118.78
  6. Step 6: Final answer
    x = 61,262.40

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