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Finding the Fourth Proportional to 219,656, 303,126.36 and 119,054

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Solution

The fourth proportional to 219,656, 303,126.36 and 119,054 is: 164,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,656 : 303,126.36 = 119,054 : x
  2. Step 2: Convert to fraction form
    219,656/303,126.36 = 119,054/x
  3. Step 3: Cross multiply
    219,656x = 303,126.36 × 119,054
  4. Step 4: Simplify right side
    219,656x = 36,088,405,663.44
  5. Step 5: Solve for x
    x = 36,088,405,663.44/219,656
  6. Step 6: Final answer
    x = 164,295.11

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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.