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Finding the Fourth Proportional to 196,290.04, 270,880.30 and 106,866.04

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Solution

The fourth proportional to 196,290.04, 270,880.30 and 106,866.04 is: 147,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,290.04 : 270,880.30 = 106,866.04 : x
  2. Step 2: Convert to fraction form
    196,290.04/270,880.30 = 106,866.04/x
  3. Step 3: Cross multiply
    196,290.04x = 270,880.30 × 106,866.04
  4. Step 4: Simplify right side
    196,290.04x = 28,947,904,975.01
  5. Step 5: Solve for x
    x = 28,947,904,975.01/196,290.04
  6. Step 6: Final answer
    x = 147,475.16

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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.