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Finding the Fourth Proportional to 170,592.81, 255,546.51 and 84,945.65

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Solution

The fourth proportional to 170,592.81, 255,546.51 and 84,945.65 is: 127,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,592.81 : 255,546.51 = 84,945.65 : x
  2. Step 2: Convert to fraction form
    170,592.81/255,546.51 = 84,945.65/x
  3. Step 3: Cross multiply
    170,592.81x = 255,546.51 × 84,945.65
  4. Step 4: Simplify right side
    170,592.81x = 21,707,563,119.45
  5. Step 5: Solve for x
    x = 21,707,563,119.45/170,592.81
  6. Step 6: Final answer
    x = 127,247.82

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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.