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Finding the Fourth Proportional to 300,193.32, 450,289.88 and 113,161.08

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Solution

The fourth proportional to 300,193.32, 450,289.88 and 113,161.08 is: 169,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,193.32 : 450,289.88 = 113,161.08 : x
  2. Step 2: Convert to fraction form
    300,193.32/450,289.88 = 113,161.08/x
  3. Step 3: Cross multiply
    300,193.32x = 450,289.88 × 113,161.08
  4. Step 4: Simplify right side
    300,193.32x = 50,955,289,133.87
  5. Step 5: Solve for x
    x = 50,955,289,133.87/300,193.32
  6. Step 6: Final answer
    x = 169,741.58

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1.5x scale

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.