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Finding the Fourth Proportional to 73,648.63, 101,635.11 and 40,114.63

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Solution

The fourth proportional to 73,648.63, 101,635.11 and 40,114.63 is: 55,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.63 : 101,635.11 = 40,114.63 : x
  2. Step 2: Convert to fraction form
    73,648.63/101,635.11 = 40,114.63/x
  3. Step 3: Cross multiply
    73,648.63x = 101,635.11 × 40,114.63
  4. Step 4: Simplify right side
    73,648.63x = 4,077,054,123.91
  5. Step 5: Solve for x
    x = 4,077,054,123.91/73,648.63
  6. Step 6: Final answer
    x = 55,358.18

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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.