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Finding the Fourth Proportional to 201,324.30, 301,986.45 and 134,969.10

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Solution

The fourth proportional to 201,324.30, 301,986.45 and 134,969.10 is: 202,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,324.30 : 301,986.45 = 134,969.10 : x
  2. Step 2: Convert to fraction form
    201,324.30/301,986.45 = 134,969.10/x
  3. Step 3: Cross multiply
    201,324.30x = 301,986.45 × 134,969.10
  4. Step 4: Simplify right side
    201,324.30x = 40,758,839,368.70
  5. Step 5: Solve for x
    x = 40,758,839,368.70/201,324.30
  6. Step 6: Final answer
    x = 202,453.65

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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.