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Finding the Fourth Proportional to 76,099.02, 104,992.84 and 45,893.58

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Solution

The fourth proportional to 76,099.02, 104,992.84 and 45,893.58 is: 63,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,099.02 : 104,992.84 = 45,893.58 : x
  2. Step 2: Convert to fraction form
    76,099.02/104,992.84 = 45,893.58/x
  3. Step 3: Cross multiply
    76,099.02x = 104,992.84 × 45,893.58
  4. Step 4: Simplify right side
    76,099.02x = 4,818,497,301.97
  5. Step 5: Solve for x
    x = 4,818,497,301.97/76,099.02
  6. Step 6: Final answer
    x = 63,318.78

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1.5x scale

Why These Related Problems?

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