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Finding the Fourth Proportional to 373.93, 560.56 and 157.66

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Solution

The fourth proportional to 373.93, 560.56 and 157.66 is: 236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.93 : 560.56 = 157.66 : x
  2. Step 2: Convert to fraction form
    373.93/560.56 = 157.66/x
  3. Step 3: Cross multiply
    373.93x = 560.56 × 157.66
  4. Step 4: Simplify right side
    373.93x = 88,377.89
  5. Step 5: Solve for x
    x = 88,377.89/373.93
  6. Step 6: Final answer
    x = 236.35

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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.