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Finding the Fourth Proportional to 200,147.79, 300,225.33 and 67,003.23

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Solution

The fourth proportional to 200,147.79, 300,225.33 and 67,003.23 is: 100,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,147.79 : 300,225.33 = 67,003.23 : x
  2. Step 2: Convert to fraction form
    200,147.79/300,225.33 = 67,003.23/x
  3. Step 3: Cross multiply
    200,147.79x = 300,225.33 × 67,003.23
  4. Step 4: Simplify right side
    200,147.79x = 20,116,066,837.82
  5. Step 5: Solve for x
    x = 20,116,066,837.82/200,147.79
  6. Step 6: Final answer
    x = 100,506.07

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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.