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Finding the Fourth Proportional to 199,798.90, 275,161.17 and 195,444.34

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Solution

The fourth proportional to 199,798.90, 275,161.17 and 195,444.34 is: 269,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,798.90 : 275,161.17 = 195,444.34 : x
  2. Step 2: Convert to fraction form
    199,798.90/275,161.17 = 195,444.34/x
  3. Step 3: Cross multiply
    199,798.90x = 275,161.17 × 195,444.34
  4. Step 4: Simplify right side
    199,798.90x = 53,778,693,264.28
  5. Step 5: Solve for x
    x = 53,778,693,264.28/199,798.90
  6. Step 6: Final answer
    x = 269,164.11

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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.