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Finding the Fourth Proportional to 199,620.48, 275,476.32 and 110,196.48

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Solution

The fourth proportional to 199,620.48, 275,476.32 and 110,196.48 is: 152,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,620.48 : 275,476.32 = 110,196.48 : x
  2. Step 2: Convert to fraction form
    199,620.48/275,476.32 = 110,196.48/x
  3. Step 3: Cross multiply
    199,620.48x = 275,476.32 × 110,196.48
  4. Step 4: Simplify right side
    199,620.48x = 30,356,520,787.35
  5. Step 5: Solve for x
    x = 30,356,520,787.35/199,620.48
  6. Step 6: Final answer
    x = 152,071.17

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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.