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Finding the Fourth Proportional to 373.72, 560.60 and 117.28

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Solution

The fourth proportional to 373.72, 560.60 and 117.28 is: 175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.72 : 560.60 = 117.28 : x
  2. Step 2: Convert to fraction form
    373.72/560.60 = 117.28/x
  3. Step 3: Cross multiply
    373.72x = 560.60 × 117.28
  4. Step 4: Simplify right side
    373.72x = 65,747.17
  5. Step 5: Solve for x
    x = 65,747.17/373.72
  6. Step 6: Final answer
    x = 175.93

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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.