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Finding the Fourth Proportional to 200,483.93, 300,770.75 and 67,360.57

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Solution

The fourth proportional to 200,483.93, 300,770.75 and 67,360.57 is: 101,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,483.93 : 300,770.75 = 67,360.57 : x
  2. Step 2: Convert to fraction form
    200,483.93/300,770.75 = 67,360.57/x
  3. Step 3: Cross multiply
    200,483.93x = 300,770.75 × 67,360.57
  4. Step 4: Simplify right side
    200,483.93x = 20,260,088,575.80
  5. Step 5: Solve for x
    x = 20,260,088,575.80/200,483.93
  6. Step 6: Final answer
    x = 101,055.92

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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.