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Finding the Fourth Proportional to 73,181.78, 101,062.62 and 62,509.22

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Solution

The fourth proportional to 73,181.78, 101,062.62 and 62,509.22 is: 86,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.78 : 101,062.62 = 62,509.22 : x
  2. Step 2: Convert to fraction form
    73,181.78/101,062.62 = 62,509.22/x
  3. Step 3: Cross multiply
    73,181.78x = 101,062.62 × 62,509.22
  4. Step 4: Simplify right side
    73,181.78x = 6,317,345,547.36
  5. Step 5: Solve for x
    x = 6,317,345,547.36/73,181.78
  6. Step 6: Final answer
    x = 86,324.02

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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.