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Finding the Fourth Proportional to 172,480.49, 237,819.44 and 118,058.84

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Solution

The fourth proportional to 172,480.49, 237,819.44 and 118,058.84 is: 162,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.49 : 237,819.44 = 118,058.84 : x
  2. Step 2: Convert to fraction form
    172,480.49/237,819.44 = 118,058.84/x
  3. Step 3: Cross multiply
    172,480.49x = 237,819.44 × 118,058.84
  4. Step 4: Simplify right side
    172,480.49x = 28,076,685,436.46
  5. Step 5: Solve for x
    x = 28,076,685,436.46/172,480.49
  6. Step 6: Final answer
    x = 162,781.81

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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.