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Finding the Fourth Proportional to 373.86, 560.73 and 157.41

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Solution

The fourth proportional to 373.86, 560.73 and 157.41 is: 236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.86 : 560.73 = 157.41 : x
  2. Step 2: Convert to fraction form
    373.86/560.73 = 157.41/x
  3. Step 3: Cross multiply
    373.86x = 560.73 × 157.41
  4. Step 4: Simplify right side
    373.86x = 88,264.51
  5. Step 5: Solve for x
    x = 88,264.51/373.86
  6. Step 6: Final answer
    x = 236.09

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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.