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Finding the Fourth Proportional to 73,851.63, 110,813.60 and 45,764.18

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Solution

The fourth proportional to 73,851.63, 110,813.60 and 45,764.18 is: 68,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,851.63 : 110,813.60 = 45,764.18 : x
  2. Step 2: Convert to fraction form
    73,851.63/110,813.60 = 45,764.18/x
  3. Step 3: Cross multiply
    73,851.63x = 110,813.60 × 45,764.18
  4. Step 4: Simplify right side
    73,851.63x = 5,071,292,753.96
  5. Step 5: Solve for x
    x = 5,071,292,753.96/73,851.63
  6. Step 6: Final answer
    x = 68,668.66

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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.