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Finding the Fourth Proportional to 196,295.80, 270,889.52 and 111,414.28

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Solution

The fourth proportional to 196,295.80, 270,889.52 and 111,414.28 is: 153,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,295.80 : 270,889.52 = 111,414.28 : x
  2. Step 2: Convert to fraction form
    196,295.80/270,889.52 = 111,414.28/x
  3. Step 3: Cross multiply
    196,295.80x = 270,889.52 × 111,414.28
  4. Step 4: Simplify right side
    196,295.80x = 30,180,960,830.35
  5. Step 5: Solve for x
    x = 30,180,960,830.35/196,295.80
  6. Step 6: Final answer
    x = 153,752.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.