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Finding the Fourth Proportional to 73,669.22, 101,660.80 and 45,036.83

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Solution

The fourth proportional to 73,669.22, 101,660.80 and 45,036.83 is: 62,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.22 : 101,660.80 = 45,036.83 : x
  2. Step 2: Convert to fraction form
    73,669.22/101,660.80 = 45,036.83/x
  3. Step 3: Cross multiply
    73,669.22x = 101,660.80 × 45,036.83
  4. Step 4: Simplify right side
    73,669.22x = 4,578,480,167.26
  5. Step 5: Solve for x
    x = 4,578,480,167.26/73,669.22
  6. Step 6: Final answer
    x = 62,149.16

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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.