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Finding the Fourth Proportional to 96,023.20, 143,991.60 and 43,405.60

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Solution

The fourth proportional to 96,023.20, 143,991.60 and 43,405.60 is: 65,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,023.20 : 143,991.60 = 43,405.60 : x
  2. Step 2: Convert to fraction form
    96,023.20/143,991.60 = 43,405.60/x
  3. Step 3: Cross multiply
    96,023.20x = 143,991.60 × 43,405.60
  4. Step 4: Simplify right side
    96,023.20x = 6,250,041,792.96
  5. Step 5: Solve for x
    x = 6,250,041,792.96/96,023.20
  6. Step 6: Final answer
    x = 65,088.87

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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.