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Finding the Fourth Proportional to 199,495.54, 275,302.43 and 113,454.55

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Solution

The fourth proportional to 199,495.54, 275,302.43 and 113,454.55 is: 156,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,495.54 : 275,302.43 = 113,454.55 : x
  2. Step 2: Convert to fraction form
    199,495.54/275,302.43 = 113,454.55/x
  3. Step 3: Cross multiply
    199,495.54x = 275,302.43 × 113,454.55
  4. Step 4: Simplify right side
    199,495.54x = 31,234,313,511.87
  5. Step 5: Solve for x
    x = 31,234,313,511.87/199,495.54
  6. Step 6: Final answer
    x = 156,566.47

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1.5x scale

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.