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Finding the Fourth Proportional to 171,995.60, 257,604.60 and 102,011.60

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Solution

The fourth proportional to 171,995.60, 257,604.60 and 102,011.60 is: 152,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,995.60 : 257,604.60 = 102,011.60 : x
  2. Step 2: Convert to fraction form
    171,995.60/257,604.60 = 102,011.60/x
  3. Step 3: Cross multiply
    171,995.60x = 257,604.60 × 102,011.60
  4. Step 4: Simplify right side
    171,995.60x = 26,278,657,413.36
  5. Step 5: Solve for x
    x = 26,278,657,413.36/171,995.60
  6. Step 6: Final answer
    x = 152,786.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.