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Finding the Fourth Proportional to 243,906.70, 365,969.40 and 110,718.40

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Solution

The fourth proportional to 243,906.70, 365,969.40 and 110,718.40 is: 166,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,906.70 : 365,969.40 = 110,718.40 : x
  2. Step 2: Convert to fraction form
    243,906.70/365,969.40 = 110,718.40/x
  3. Step 3: Cross multiply
    243,906.70x = 365,969.40 × 110,718.40
  4. Step 4: Simplify right side
    243,906.70x = 40,519,546,416.96
  5. Step 5: Solve for x
    x = 40,519,546,416.96/243,906.70
  6. Step 6: Final answer
    x = 166,127.24

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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.