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Finding the Fourth Proportional to 73,751.06, 101,747.58 and 45,407.54

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Solution

The fourth proportional to 73,751.06, 101,747.58 and 45,407.54 is: 62,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.06 : 101,747.58 = 45,407.54 : x
  2. Step 2: Convert to fraction form
    73,751.06/101,747.58 = 45,407.54/x
  3. Step 3: Cross multiply
    73,751.06x = 101,747.58 × 45,407.54
  4. Step 4: Simplify right side
    73,751.06x = 4,620,106,800.02
  5. Step 5: Solve for x
    x = 4,620,106,800.02/73,751.06
  6. Step 6: Final answer
    x = 62,644.62

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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.