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Finding the Fourth Proportional to 162,940.20, 244,410.30 and 160,315.80

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Solution

The fourth proportional to 162,940.20, 244,410.30 and 160,315.80 is: 240,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,940.20 : 244,410.30 = 160,315.80 : x
  2. Step 2: Convert to fraction form
    162,940.20/244,410.30 = 160,315.80/x
  3. Step 3: Cross multiply
    162,940.20x = 244,410.30 × 160,315.80
  4. Step 4: Simplify right side
    162,940.20x = 39,182,832,772.74
  5. Step 5: Solve for x
    x = 39,182,832,772.74/162,940.20
  6. Step 6: Final answer
    x = 240,473.70

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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.