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Finding the Fourth Proportional to 207,148.98, 285,996.94 and 141,847.09

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Solution

The fourth proportional to 207,148.98, 285,996.94 and 141,847.09 is: 195,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,148.98 : 285,996.94 = 141,847.09 : x
  2. Step 2: Convert to fraction form
    207,148.98/285,996.94 = 141,847.09/x
  3. Step 3: Cross multiply
    207,148.98x = 285,996.94 × 141,847.09
  4. Step 4: Simplify right side
    207,148.98x = 40,567,833,687.90
  5. Step 5: Solve for x
    x = 40,567,833,687.90/207,148.98
  6. Step 6: Final answer
    x = 195,838.93

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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.