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Finding the Fourth Proportional to 188.04, 259.56 and 176.34

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Solution

The fourth proportional to 188.04, 259.56 and 176.34 is: 243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.04 : 259.56 = 176.34 : x
  2. Step 2: Convert to fraction form
    188.04/259.56 = 176.34/x
  3. Step 3: Cross multiply
    188.04x = 259.56 × 176.34
  4. Step 4: Simplify right side
    188.04x = 45,770.81
  5. Step 5: Solve for x
    x = 45,770.81/188.04
  6. Step 6: Final answer
    x = 243.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.