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Finding the Fourth Proportional to 301,093.20, 451,639.80 and 101,347.20

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Solution

The fourth proportional to 301,093.20, 451,639.80 and 101,347.20 is: 152,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,093.20 : 451,639.80 = 101,347.20 : x
  2. Step 2: Convert to fraction form
    301,093.20/451,639.80 = 101,347.20/x
  3. Step 3: Cross multiply
    301,093.20x = 451,639.80 × 101,347.20
  4. Step 4: Simplify right side
    301,093.20x = 45,772,429,138.56
  5. Step 5: Solve for x
    x = 45,772,429,138.56/301,093.20
  6. Step 6: Final answer
    x = 152,020.80

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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.