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Finding the Fourth Proportional to 70,268.44, 105,444.16 and 25,926.16

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Solution

The fourth proportional to 70,268.44, 105,444.16 and 25,926.16 is: 38,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.44 : 105,444.16 = 25,926.16 : x
  2. Step 2: Convert to fraction form
    70,268.44/105,444.16 = 25,926.16/x
  3. Step 3: Cross multiply
    70,268.44x = 105,444.16 × 25,926.16
  4. Step 4: Simplify right side
    70,268.44x = 2,733,762,163.23
  5. Step 5: Solve for x
    x = 2,733,762,163.23/70,268.44
  6. Step 6: Final answer
    x = 38,904.55

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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.