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Finding the Fourth Proportional to 169,058.72, 253,612.80 and 50,739.41

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Solution

The fourth proportional to 169,058.72, 253,612.80 and 50,739.41 is: 76,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,058.72 : 253,612.80 = 50,739.41 : x
  2. Step 2: Convert to fraction form
    169,058.72/253,612.80 = 50,739.41/x
  3. Step 3: Cross multiply
    169,058.72x = 253,612.80 × 50,739.41
  4. Step 4: Simplify right side
    169,058.72x = 12,868,163,840.45
  5. Step 5: Solve for x
    x = 12,868,163,840.45/169,058.72
  6. Step 6: Final answer
    x = 76,116.53

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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.