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Finding the Fourth Proportional to 73,012.83, 100,803.32 and 55,984.36

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Solution

The fourth proportional to 73,012.83, 100,803.32 and 55,984.36 is: 77,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.83 : 100,803.32 = 55,984.36 : x
  2. Step 2: Convert to fraction form
    73,012.83/100,803.32 = 55,984.36/x
  3. Step 3: Cross multiply
    73,012.83x = 100,803.32 × 55,984.36
  4. Step 4: Simplify right side
    73,012.83x = 5,643,409,076.15
  5. Step 5: Solve for x
    x = 5,643,409,076.15/73,012.83
  6. Step 6: Final answer
    x = 77,293.39

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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.