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Finding the Fourth Proportional to 75,683.22, 104,442.86 and 43,870.58

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Solution

The fourth proportional to 75,683.22, 104,442.86 and 43,870.58 is: 60,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.22 : 104,442.86 = 43,870.58 : x
  2. Step 2: Convert to fraction form
    75,683.22/104,442.86 = 43,870.58/x
  3. Step 3: Cross multiply
    75,683.22x = 104,442.86 × 43,870.58
  4. Step 4: Simplify right side
    75,683.22x = 4,581,968,103.49
  5. Step 5: Solve for x
    x = 4,581,968,103.49/75,683.22
  6. Step 6: Final answer
    x = 60,541.40

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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.