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Finding the Fourth Proportional to 173,843.63, 260,854.43 and 82,762.11

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Solution

The fourth proportional to 173,843.63, 260,854.43 and 82,762.11 is: 124,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843.63 : 260,854.43 = 82,762.11 : x
  2. Step 2: Convert to fraction form
    173,843.63/260,854.43 = 82,762.11/x
  3. Step 3: Cross multiply
    173,843.63x = 260,854.43 × 82,762.11
  4. Step 4: Simplify right side
    173,843.63x = 21,588,862,615.84
  5. Step 5: Solve for x
    x = 21,588,862,615.84/173,843.63
  6. Step 6: Final answer
    x = 124,185.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.