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Finding the Fourth Proportional to 186, 277.58 and 162.92

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Solution

The fourth proportional to 186, 277.58 and 162.92 is: 243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186 : 277.58 = 162.92 : x
  2. Step 2: Convert to fraction form
    186/277.58 = 162.92/x
  3. Step 3: Cross multiply
    186x = 277.58 × 162.92
  4. Step 4: Simplify right side
    186x = 45,223.33
  5. Step 5: Solve for x
    x = 45,223.33/186
  6. Step 6: Final answer
    x = 243.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.