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Finding the Fourth Proportional to 179,323.80, 268,985.70 and 162,994.20

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Solution

The fourth proportional to 179,323.80, 268,985.70 and 162,994.20 is: 244,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,323.80 : 268,985.70 = 162,994.20 : x
  2. Step 2: Convert to fraction form
    179,323.80/268,985.70 = 162,994.20/x
  3. Step 3: Cross multiply
    179,323.80x = 268,985.70 × 162,994.20
  4. Step 4: Simplify right side
    179,323.80x = 43,843,108,982.94
  5. Step 5: Solve for x
    x = 43,843,108,982.94/179,323.80
  6. Step 6: Final answer
    x = 244,491.30

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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.