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Finding the Fourth Proportional to 236,219.56, 325,989.72 and 144,353.86

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Solution

The fourth proportional to 236,219.56, 325,989.72 and 144,353.86 is: 199,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,219.56 : 325,989.72 = 144,353.86 : x
  2. Step 2: Convert to fraction form
    236,219.56/325,989.72 = 144,353.86/x
  3. Step 3: Cross multiply
    236,219.56x = 325,989.72 × 144,353.86
  4. Step 4: Simplify right side
    236,219.56x = 47,057,874,402.32
  5. Step 5: Solve for x
    x = 47,057,874,402.32/236,219.56
  6. Step 6: Final answer
    x = 199,212.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.