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Finding the Fourth Proportional to 143,316.60, 214,974.90 and 110,203.80

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Solution

The fourth proportional to 143,316.60, 214,974.90 and 110,203.80 is: 165,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.60 : 214,974.90 = 110,203.80 : x
  2. Step 2: Convert to fraction form
    143,316.60/214,974.90 = 110,203.80/x
  3. Step 3: Cross multiply
    143,316.60x = 214,974.90 × 110,203.80
  4. Step 4: Simplify right side
    143,316.60x = 23,691,050,884.62
  5. Step 5: Solve for x
    x = 23,691,050,884.62/143,316.60
  6. Step 6: Final answer
    x = 165,305.70

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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.