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Finding the Fourth Proportional to 196,017.86, 270,389.22 and 123,304.88

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Solution

The fourth proportional to 196,017.86, 270,389.22 and 123,304.88 is: 170,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,017.86 : 270,389.22 = 123,304.88 : x
  2. Step 2: Convert to fraction form
    196,017.86/270,389.22 = 123,304.88/x
  3. Step 3: Cross multiply
    196,017.86x = 270,389.22 × 123,304.88
  4. Step 4: Simplify right side
    196,017.86x = 33,340,310,325.39
  5. Step 5: Solve for x
    x = 33,340,310,325.39/196,017.86
  6. Step 6: Final answer
    x = 170,088.13

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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.