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Finding the Fourth Proportional to 225,544.80, 311,284.98 and 130,032.84

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Solution

The fourth proportional to 225,544.80, 311,284.98 and 130,032.84 is: 179,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,544.80 : 311,284.98 = 130,032.84 : x
  2. Step 2: Convert to fraction form
    225,544.80/311,284.98 = 130,032.84/x
  3. Step 3: Cross multiply
    225,544.80x = 311,284.98 × 130,032.84
  4. Step 4: Simplify right side
    225,544.80x = 40,477,269,998.74
  5. Step 5: Solve for x
    x = 40,477,269,998.74/225,544.80
  6. Step 6: Final answer
    x = 179,464.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.