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Finding the Fourth Proportional to 143,122.60, 214,683.90 and 110,009.80

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Solution

The fourth proportional to 143,122.60, 214,683.90 and 110,009.80 is: 165,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,122.60 : 214,683.90 = 110,009.80 : x
  2. Step 2: Convert to fraction form
    143,122.60/214,683.90 = 110,009.80/x
  3. Step 3: Cross multiply
    143,122.60x = 214,683.90 × 110,009.80
  4. Step 4: Simplify right side
    143,122.60x = 23,617,332,902.22
  5. Step 5: Solve for x
    x = 23,617,332,902.22/143,122.60
  6. Step 6: Final answer
    x = 165,014.70

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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.