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Finding the Fourth Proportional to 373.75, 560.64 and 117.25

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Solution

The fourth proportional to 373.75, 560.64 and 117.25 is: 175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.75 : 560.64 = 117.25 : x
  2. Step 2: Convert to fraction form
    373.75/560.64 = 117.25/x
  3. Step 3: Cross multiply
    373.75x = 560.64 × 117.25
  4. Step 4: Simplify right side
    373.75x = 65,735.04
  5. Step 5: Solve for x
    x = 65,735.04/373.75
  6. Step 6: Final answer
    x = 175.88

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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.