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Finding the Fourth Proportional to 196,323.13, 270,918.54 and 119,969.90

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Solution

The fourth proportional to 196,323.13, 270,918.54 and 119,969.90 is: 165,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,323.13 : 270,918.54 = 119,969.90 : x
  2. Step 2: Convert to fraction form
    196,323.13/270,918.54 = 119,969.90/x
  3. Step 3: Cross multiply
    196,323.13x = 270,918.54 × 119,969.90
  4. Step 4: Simplify right side
    196,323.13x = 32,502,070,151.95
  5. Step 5: Solve for x
    x = 32,502,070,151.95/196,323.13
  6. Step 6: Final answer
    x = 165,553.95

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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.