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Finding the Fourth Proportional to 248,266.70, 342,614.70 and 140,852.87

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Solution

The fourth proportional to 248,266.70, 342,614.70 and 140,852.87 is: 194,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.70 : 342,614.70 = 140,852.87 : x
  2. Step 2: Convert to fraction form
    248,266.70/342,614.70 = 140,852.87/x
  3. Step 3: Cross multiply
    248,266.70x = 342,614.70 × 140,852.87
  4. Step 4: Simplify right side
    248,266.70x = 48,258,262,086.12
  5. Step 5: Solve for x
    x = 48,258,262,086.12/248,266.70
  6. Step 6: Final answer
    x = 194,380.73

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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.