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Finding the Fourth Proportional to 73,648.50, 101,634.93 and 40,114.50

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Solution

The fourth proportional to 73,648.50, 101,634.93 and 40,114.50 is: 55,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.50 : 101,634.93 = 40,114.50 : x
  2. Step 2: Convert to fraction form
    73,648.50/101,634.93 = 40,114.50/x
  3. Step 3: Cross multiply
    73,648.50x = 101,634.93 × 40,114.50
  4. Step 4: Simplify right side
    73,648.50x = 4,077,034,399.49
  5. Step 5: Solve for x
    x = 4,077,034,399.49/73,648.50
  6. Step 6: Final answer
    x = 55,358.01

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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.