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Finding the Fourth Proportional to 100,822.71, 151,268.27 and 44,655.27

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Solution

The fourth proportional to 100,822.71, 151,268.27 and 44,655.27 is: 66,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.71 : 151,268.27 = 44,655.27 : x
  2. Step 2: Convert to fraction form
    100,822.71/151,268.27 = 44,655.27/x
  3. Step 3: Cross multiply
    100,822.71x = 151,268.27 × 44,655.27
  4. Step 4: Simplify right side
    100,822.71x = 6,754,925,216.01
  5. Step 5: Solve for x
    x = 6,754,925,216.01/100,822.71
  6. Step 6: Final answer
    x = 66,998.05

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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.