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Finding the Fourth Proportional to 265,942.70, 366,983.43 and 163,955.60

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Solution

The fourth proportional to 265,942.70, 366,983.43 and 163,955.60 is: 226,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,942.70 : 366,983.43 = 163,955.60 : x
  2. Step 2: Convert to fraction form
    265,942.70/366,983.43 = 163,955.60/x
  3. Step 3: Cross multiply
    265,942.70x = 366,983.43 × 163,955.60
  4. Step 4: Simplify right side
    265,942.70x = 60,168,988,455.71
  5. Step 5: Solve for x
    x = 60,168,988,455.71/265,942.70
  6. Step 6: Final answer
    x = 226,247.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.