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Finding the Fourth Proportional to 72,163.71, 108,267.44 and 32,710.23

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Solution

The fourth proportional to 72,163.71, 108,267.44 and 32,710.23 is: 49,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,163.71 : 108,267.44 = 32,710.23 : x
  2. Step 2: Convert to fraction form
    72,163.71/108,267.44 = 32,710.23/x
  3. Step 3: Cross multiply
    72,163.71x = 108,267.44 × 32,710.23
  4. Step 4: Simplify right side
    72,163.71x = 3,541,452,700.36
  5. Step 5: Solve for x
    x = 3,541,452,700.36/72,163.71
  6. Step 6: Final answer
    x = 49,075.26

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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.