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Finding the Fourth Proportional to 371,991.07, 558,058.43 and 158,755.87

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Solution

The fourth proportional to 371,991.07, 558,058.43 and 158,755.87 is: 238,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,991.07 : 558,058.43 = 158,755.87 : x
  2. Step 2: Convert to fraction form
    371,991.07/558,058.43 = 158,755.87/x
  3. Step 3: Cross multiply
    371,991.07x = 558,058.43 × 158,755.87
  4. Step 4: Simplify right side
    371,991.07x = 88,595,051,565.48
  5. Step 5: Solve for x
    x = 88,595,051,565.48/371,991.07
  6. Step 6: Final answer
    x = 238,164.46

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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.