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Finding the Fourth Proportional to 247,846.88, 342,020.84 and 145,848.84

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Solution

The fourth proportional to 247,846.88, 342,020.84 and 145,848.84 is: 201,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,846.88 : 342,020.84 = 145,848.84 : x
  2. Step 2: Convert to fraction form
    247,846.88/342,020.84 = 145,848.84/x
  3. Step 3: Cross multiply
    247,846.88x = 342,020.84 × 145,848.84
  4. Step 4: Simplify right side
    247,846.88x = 49,883,342,769.83
  5. Step 5: Solve for x
    x = 49,883,342,769.83/247,846.88
  6. Step 6: Final answer
    x = 201,266.78

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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.