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Finding the Fourth Proportional to 115,460.76, 158,724.24 and 99,268.44

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Solution

The fourth proportional to 115,460.76, 158,724.24 and 99,268.44 is: 136,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,460.76 : 158,724.24 = 99,268.44 : x
  2. Step 2: Convert to fraction form
    115,460.76/158,724.24 = 99,268.44/x
  3. Step 3: Cross multiply
    115,460.76x = 158,724.24 × 99,268.44
  4. Step 4: Simplify right side
    115,460.76x = 15,756,307,694.99
  5. Step 5: Solve for x
    x = 15,756,307,694.99/115,460.76
  6. Step 6: Final answer
    x = 136,464.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.