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Finding the Fourth Proportional to 82,131.59, 113,341.77 and 44,405.84

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Solution

The fourth proportional to 82,131.59, 113,341.77 and 44,405.84 is: 61,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,131.59 : 113,341.77 = 44,405.84 : x
  2. Step 2: Convert to fraction form
    82,131.59/113,341.77 = 44,405.84/x
  3. Step 3: Cross multiply
    82,131.59x = 113,341.77 × 44,405.84
  4. Step 4: Simplify right side
    82,131.59x = 5,033,036,503.94
  5. Step 5: Solve for x
    x = 5,033,036,503.94/82,131.59
  6. Step 6: Final answer
    x = 61,280.15

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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.