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Finding the Fourth Proportional to 334.12, 501.18 and 117.64

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Solution

The fourth proportional to 334.12, 501.18 and 117.64 is: 176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.12 : 501.18 = 117.64 : x
  2. Step 2: Convert to fraction form
    334.12/501.18 = 117.64/x
  3. Step 3: Cross multiply
    334.12x = 501.18 × 117.64
  4. Step 4: Simplify right side
    334.12x = 58,958.82
  5. Step 5: Solve for x
    x = 58,958.82/334.12
  6. Step 6: Final answer
    x = 176.46

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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.