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Finding the Fourth Proportional to 112,163.68, 168,216.72 and 33,259.96

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Solution

The fourth proportional to 112,163.68, 168,216.72 and 33,259.96 is: 49,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,163.68 : 168,216.72 = 33,259.96 : x
  2. Step 2: Convert to fraction form
    112,163.68/168,216.72 = 33,259.96/x
  3. Step 3: Cross multiply
    112,163.68x = 168,216.72 × 33,259.96
  4. Step 4: Simplify right side
    112,163.68x = 5,594,881,378.53
  5. Step 5: Solve for x
    x = 5,594,881,378.53/112,163.68
  6. Step 6: Final answer
    x = 49,881.40

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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.