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Finding the Fourth Proportional to 110,716.98, 165,218.44 and 98,903.22

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Solution

The fourth proportional to 110,716.98, 165,218.44 and 98,903.22 is: 147,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.98 : 165,218.44 = 98,903.22 : x
  2. Step 2: Convert to fraction form
    110,716.98/165,218.44 = 98,903.22/x
  3. Step 3: Cross multiply
    110,716.98x = 165,218.44 × 98,903.22
  4. Step 4: Simplify right side
    110,716.98x = 16,340,635,719.38
  5. Step 5: Solve for x
    x = 16,340,635,719.38/110,716.98
  6. Step 6: Final answer
    x = 147,589.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.