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Finding the Fourth Proportional to 140,224.34, 210,349.74 and 108,669.75

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Solution

The fourth proportional to 140,224.34, 210,349.74 and 108,669.75 is: 163,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,224.34 : 210,349.74 = 108,669.75 : x
  2. Step 2: Convert to fraction form
    140,224.34/210,349.74 = 108,669.75/x
  3. Step 3: Cross multiply
    140,224.34x = 210,349.74 × 108,669.75
  4. Step 4: Simplify right side
    140,224.34x = 22,858,652,063.27
  5. Step 5: Solve for x
    x = 22,858,652,063.27/140,224.34
  6. Step 6: Final answer
    x = 163,014.87

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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.