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Finding the Fourth Proportional to 60,140.40, 83,027.04 and 45,027.60

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Solution

The fourth proportional to 60,140.40, 83,027.04 and 45,027.60 is: 62,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.40 : 83,027.04 = 45,027.60 : x
  2. Step 2: Convert to fraction form
    60,140.40/83,027.04 = 45,027.60/x
  3. Step 3: Cross multiply
    60,140.40x = 83,027.04 × 45,027.60
  4. Step 4: Simplify right side
    60,140.40x = 3,738,508,346.30
  5. Step 5: Solve for x
    x = 3,738,508,346.30/60,140.40
  6. Step 6: Final answer
    x = 62,163.01

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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.