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Finding the Fourth Proportional to 73,699.68, 101,676.69 and 45,356.16

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Solution

The fourth proportional to 73,699.68, 101,676.69 and 45,356.16 is: 62,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.68 : 101,676.69 = 45,356.16 : x
  2. Step 2: Convert to fraction form
    73,699.68/101,676.69 = 45,356.16/x
  3. Step 3: Cross multiply
    73,699.68x = 101,676.69 × 45,356.16
  4. Step 4: Simplify right side
    73,699.68x = 4,611,664,219.91
  5. Step 5: Solve for x
    x = 4,611,664,219.91/73,699.68
  6. Step 6: Final answer
    x = 62,573.73

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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.