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Finding the Fourth Proportional to 124,662.66, 171,993.99 and 73,676.94

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Solution

The fourth proportional to 124,662.66, 171,993.99 and 73,676.94 is: 101,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,662.66 : 171,993.99 = 73,676.94 : x
  2. Step 2: Convert to fraction form
    124,662.66/171,993.99 = 73,676.94/x
  3. Step 3: Cross multiply
    124,662.66x = 171,993.99 × 73,676.94
  4. Step 4: Simplify right side
    124,662.66x = 12,671,990,881.59
  5. Step 5: Solve for x
    x = 12,671,990,881.59/124,662.66
  6. Step 6: Final answer
    x = 101,650.25

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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.