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Finding the Fourth Proportional to 73,516.52, 101,420.26 and 45,205.48

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Solution

The fourth proportional to 73,516.52, 101,420.26 and 45,205.48 is: 62,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,516.52 : 101,420.26 = 45,205.48 : x
  2. Step 2: Convert to fraction form
    73,516.52/101,420.26 = 45,205.48/x
  3. Step 3: Cross multiply
    73,516.52x = 101,420.26 × 45,205.48
  4. Step 4: Simplify right side
    73,516.52x = 4,584,751,535.02
  5. Step 5: Solve for x
    x = 4,584,751,535.02/73,516.52
  6. Step 6: Final answer
    x = 62,363.55

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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.