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Finding the Fourth Proportional to 207,285.98, 285,953.15 and 126,573.83

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Solution

The fourth proportional to 207,285.98, 285,953.15 and 126,573.83 is: 174,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,285.98 : 285,953.15 = 126,573.83 : x
  2. Step 2: Convert to fraction form
    207,285.98/285,953.15 = 126,573.83/x
  3. Step 3: Cross multiply
    207,285.98x = 285,953.15 × 126,573.83
  4. Step 4: Simplify right side
    207,285.98x = 36,194,185,355.06
  5. Step 5: Solve for x
    x = 36,194,185,355.06/207,285.98
  6. Step 6: Final answer
    x = 174,609.91

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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.