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Finding the Fourth Proportional to 72,080.45, 108,120.67 and 32,636.69

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Solution

The fourth proportional to 72,080.45, 108,120.67 and 32,636.69 is: 48,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,080.45 : 108,120.67 = 32,636.69 : x
  2. Step 2: Convert to fraction form
    72,080.45/108,120.67 = 32,636.69/x
  3. Step 3: Cross multiply
    72,080.45x = 108,120.67 × 32,636.69
  4. Step 4: Simplify right side
    72,080.45x = 3,528,700,167.19
  5. Step 5: Solve for x
    x = 3,528,700,167.19/72,080.45
  6. Step 6: Final answer
    x = 48,955.03

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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.