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Finding the Fourth Proportional to 92,550.50, 138,808.24 and 45,117.96

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Solution

The fourth proportional to 92,550.50, 138,808.24 and 45,117.96 is: 67,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,550.50 : 138,808.24 = 45,117.96 : x
  2. Step 2: Convert to fraction form
    92,550.50/138,808.24 = 45,117.96/x
  3. Step 3: Cross multiply
    92,550.50x = 138,808.24 × 45,117.96
  4. Step 4: Simplify right side
    92,550.50x = 6,262,744,619.99
  5. Step 5: Solve for x
    x = 6,262,744,619.99/92,550.50
  6. Step 6: Final answer
    x = 67,668.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.