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Finding the Fourth Proportional to 219,847.60, 330,160.20 and 170,048.80

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Solution

The fourth proportional to 219,847.60, 330,160.20 and 170,048.80 is: 255,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847.60 : 330,160.20 = 170,048.80 : x
  2. Step 2: Convert to fraction form
    219,847.60/330,160.20 = 170,048.80/x
  3. Step 3: Cross multiply
    219,847.60x = 330,160.20 × 170,048.80
  4. Step 4: Simplify right side
    219,847.60x = 56,143,345,817.76
  5. Step 5: Solve for x
    x = 56,143,345,817.76/219,847.60
  6. Step 6: Final answer
    x = 255,373.93

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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.