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Finding the Fourth Proportional to 183,605.40, 275,019.30 and 163,906.20

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Solution

The fourth proportional to 183,605.40, 275,019.30 and 163,906.20 is: 245,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,605.40 : 275,019.30 = 163,906.20 : x
  2. Step 2: Convert to fraction form
    183,605.40/275,019.30 = 163,906.20/x
  3. Step 3: Cross multiply
    183,605.40x = 275,019.30 × 163,906.20
  4. Step 4: Simplify right side
    183,605.40x = 45,077,368,389.66
  5. Step 5: Solve for x
    x = 45,077,368,389.66/183,605.40
  6. Step 6: Final answer
    x = 245,512.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.