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Finding the Fourth Proportional to 104,032.80, 156,049.20 and 51,544.80

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Solution

The fourth proportional to 104,032.80, 156,049.20 and 51,544.80 is: 77,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,032.80 : 156,049.20 = 51,544.80 : x
  2. Step 2: Convert to fraction form
    104,032.80/156,049.20 = 51,544.80/x
  3. Step 3: Cross multiply
    104,032.80x = 156,049.20 × 51,544.80
  4. Step 4: Simplify right side
    104,032.80x = 8,043,524,804.16
  5. Step 5: Solve for x
    x = 8,043,524,804.16/104,032.80
  6. Step 6: Final answer
    x = 77,317.20

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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.