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Finding the Fourth Proportional to 93,241.38, 139,959.90 and 82,635.60

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Solution

The fourth proportional to 93,241.38, 139,959.90 and 82,635.60 is: 124,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,241.38 : 139,959.90 = 82,635.60 : x
  2. Step 2: Convert to fraction form
    93,241.38/139,959.90 = 82,635.60/x
  3. Step 3: Cross multiply
    93,241.38x = 139,959.90 × 82,635.60
  4. Step 4: Simplify right side
    93,241.38x = 11,565,670,312.44
  5. Step 5: Solve for x
    x = 11,565,670,312.44/93,241.38
  6. Step 6: Final answer
    x = 124,040.10

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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.