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Finding the Fourth Proportional to 277,493.93, 416,072.34 and 108,812.18

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Solution

The fourth proportional to 277,493.93, 416,072.34 and 108,812.18 is: 163,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,493.93 : 416,072.34 = 108,812.18 : x
  2. Step 2: Convert to fraction form
    277,493.93/416,072.34 = 108,812.18/x
  3. Step 3: Cross multiply
    277,493.93x = 416,072.34 × 108,812.18
  4. Step 4: Simplify right side
    277,493.93x = 45,273,736,680.79
  5. Step 5: Solve for x
    x = 45,273,736,680.79/277,493.93
  6. Step 6: Final answer
    x = 163,152.17

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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.