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Finding the Fourth Proportional to 185,175.65, 277,706.04 and 66,831.62

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Solution

The fourth proportional to 185,175.65, 277,706.04 and 66,831.62 is: 100,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,175.65 : 277,706.04 = 66,831.62 : x
  2. Step 2: Convert to fraction form
    185,175.65/277,706.04 = 66,831.62/x
  3. Step 3: Cross multiply
    185,175.65x = 277,706.04 × 66,831.62
  4. Step 4: Simplify right side
    185,175.65x = 18,559,543,148.45
  5. Step 5: Solve for x
    x = 18,559,543,148.45/185,175.65
  6. Step 6: Final answer
    x = 100,226.70

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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.