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Finding the Fourth Proportional to 93,649.05, 140,494.40 and 43,701.89

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Solution

The fourth proportional to 93,649.05, 140,494.40 and 43,701.89 is: 65,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,649.05 : 140,494.40 = 43,701.89 : x
  2. Step 2: Convert to fraction form
    93,649.05/140,494.40 = 43,701.89/x
  3. Step 3: Cross multiply
    93,649.05x = 140,494.40 × 43,701.89
  4. Step 4: Simplify right side
    93,649.05x = 6,139,869,893.43
  5. Step 5: Solve for x
    x = 6,139,869,893.43/93,649.05
  6. Step 6: Final answer
    x = 65,562.54

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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.