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Finding the Fourth Proportional to 185,146.65, 277,662.42 and 66,802.59

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Solution

The fourth proportional to 185,146.65, 277,662.42 and 66,802.59 is: 100,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.65 : 277,662.42 = 66,802.59 : x
  2. Step 2: Convert to fraction form
    185,146.65/277,662.42 = 66,802.59/x
  3. Step 3: Cross multiply
    185,146.65x = 277,662.42 × 66,802.59
  4. Step 4: Simplify right side
    185,146.65x = 18,548,568,801.67
  5. Step 5: Solve for x
    x = 18,548,568,801.67/185,146.65
  6. Step 6: Final answer
    x = 100,183.12

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1.5x scale

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.