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Finding the Fourth Proportional to 76,098.27, 104,991.80 and 45,892.83

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Solution

The fourth proportional to 76,098.27, 104,991.80 and 45,892.83 is: 63,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,098.27 : 104,991.80 = 45,892.83 : x
  2. Step 2: Convert to fraction form
    76,098.27/104,991.80 = 45,892.83/x
  3. Step 3: Cross multiply
    76,098.27x = 104,991.80 × 45,892.83
  4. Step 4: Simplify right side
    76,098.27x = 4,818,370,418.57
  5. Step 5: Solve for x
    x = 4,818,370,418.57/76,098.27
  6. Step 6: Final answer
    x = 63,317.74

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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.