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Finding the Fourth Proportional to 219,613.20, 329,322.60 and 101,223.60

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Solution

The fourth proportional to 219,613.20, 329,322.60 and 101,223.60 is: 151,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,613.20 : 329,322.60 = 101,223.60 : x
  2. Step 2: Convert to fraction form
    219,613.20/329,322.60 = 101,223.60/x
  3. Step 3: Cross multiply
    219,613.20x = 329,322.60 × 101,223.60
  4. Step 4: Simplify right side
    219,613.20x = 33,335,219,133.36
  5. Step 5: Solve for x
    x = 33,335,219,133.36/219,613.20
  6. Step 6: Final answer
    x = 151,790.60

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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.