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Finding the Fourth Proportional to 73,267.50, 101,129.10 and 43,062.54

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Solution

The fourth proportional to 73,267.50, 101,129.10 and 43,062.54 is: 59,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.50 : 101,129.10 = 43,062.54 : x
  2. Step 2: Convert to fraction form
    73,267.50/101,129.10 = 43,062.54/x
  3. Step 3: Cross multiply
    73,267.50x = 101,129.10 × 43,062.54
  4. Step 4: Simplify right side
    73,267.50x = 4,354,875,913.91
  5. Step 5: Solve for x
    x = 4,354,875,913.91/73,267.50
  6. Step 6: Final answer
    x = 59,438.03

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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.