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Finding the Fourth Proportional to 124,558.85, 171,886.26 and 73,588

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Solution

The fourth proportional to 124,558.85, 171,886.26 and 73,588 is: 101,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.85 : 171,886.26 = 73,588 : x
  2. Step 2: Convert to fraction form
    124,558.85/171,886.26 = 73,588/x
  3. Step 3: Cross multiply
    124,558.85x = 171,886.26 × 73,588
  4. Step 4: Simplify right side
    124,558.85x = 12,648,766,100.88
  5. Step 5: Solve for x
    x = 12,648,766,100.88/124,558.85
  6. Step 6: Final answer
    x = 101,548.51

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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.