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Finding the Fourth Proportional to 199,604.10, 275,454.36 and 108,962.07

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Solution

The fourth proportional to 199,604.10, 275,454.36 and 108,962.07 is: 150,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,604.10 : 275,454.36 = 108,962.07 : x
  2. Step 2: Convert to fraction form
    199,604.10/275,454.36 = 108,962.07/x
  3. Step 3: Cross multiply
    199,604.10x = 275,454.36 × 108,962.07
  4. Step 4: Simplify right side
    199,604.10x = 30,014,077,256.13
  5. Step 5: Solve for x
    x = 30,014,077,256.13/199,604.10
  6. Step 6: Final answer
    x = 150,368.04

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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.