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Finding the Fourth Proportional to 196,338.80, 294,508.20 and 134,130.80

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Solution

The fourth proportional to 196,338.80, 294,508.20 and 134,130.80 is: 201,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,338.80 : 294,508.20 = 134,130.80 : x
  2. Step 2: Convert to fraction form
    196,338.80/294,508.20 = 134,130.80/x
  3. Step 3: Cross multiply
    196,338.80x = 294,508.20 × 134,130.80
  4. Step 4: Simplify right side
    196,338.80x = 39,502,620,472.56
  5. Step 5: Solve for x
    x = 39,502,620,472.56/196,338.80
  6. Step 6: Final answer
    x = 201,196.20

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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.