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Finding the Fourth Proportional to 248,361.44, 342,729.26 and 140,925.07

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Solution

The fourth proportional to 248,361.44, 342,729.26 and 140,925.07 is: 194,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361.44 : 342,729.26 = 140,925.07 : x
  2. Step 2: Convert to fraction form
    248,361.44/342,729.26 = 140,925.07/x
  3. Step 3: Cross multiply
    248,361.44x = 342,729.26 × 140,925.07
  4. Step 4: Simplify right side
    248,361.44x = 48,299,143,242.90
  5. Step 5: Solve for x
    x = 48,299,143,242.90/248,361.44
  6. Step 6: Final answer
    x = 194,471.18

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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.