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Finding the Fourth Proportional to 73,745.07, 101,768.28 and 40,211.07

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Solution

The fourth proportional to 73,745.07, 101,768.28 and 40,211.07 is: 55,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,745.07 : 101,768.28 = 40,211.07 : x
  2. Step 2: Convert to fraction form
    73,745.07/101,768.28 = 40,211.07/x
  3. Step 3: Cross multiply
    73,745.07x = 101,768.28 × 40,211.07
  4. Step 4: Simplify right side
    73,745.07x = 4,092,211,430.86
  5. Step 5: Solve for x
    x = 4,092,211,430.86/73,745.07
  6. Step 6: Final answer
    x = 55,491.32

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1.5x scale

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.