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Finding the Fourth Proportional to 250,000.44, 344,993.76 and 142,567.98

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Solution

The fourth proportional to 250,000.44, 344,993.76 and 142,567.98 is: 196,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000.44 : 344,993.76 = 142,567.98 : x
  2. Step 2: Convert to fraction form
    250,000.44/344,993.76 = 142,567.98/x
  3. Step 3: Cross multiply
    250,000.44x = 344,993.76 × 142,567.98
  4. Step 4: Simplify right side
    250,000.44x = 49,185,063,475.80
  5. Step 5: Solve for x
    x = 49,185,063,475.80/250,000.44
  6. Step 6: Final answer
    x = 196,739.91

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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.