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Finding the Fourth Proportional to 186,255.64, 277,820.51 and 170,971.48

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Solution

The fourth proportional to 186,255.64, 277,820.51 and 170,971.48 is: 255,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,255.64 : 277,820.51 = 170,971.48 : x
  2. Step 2: Convert to fraction form
    186,255.64/277,820.51 = 170,971.48/x
  3. Step 3: Cross multiply
    186,255.64x = 277,820.51 × 170,971.48
  4. Step 4: Simplify right side
    186,255.64x = 47,499,383,769.05
  5. Step 5: Solve for x
    x = 47,499,383,769.05/186,255.64
  6. Step 6: Final answer
    x = 255,022.53

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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.