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Finding the Fourth Proportional to 196,867.80, 295,301.70 and 181,661.40

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Solution

The fourth proportional to 196,867.80, 295,301.70 and 181,661.40 is: 272,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,867.80 : 295,301.70 = 181,661.40 : x
  2. Step 2: Convert to fraction form
    196,867.80/295,301.70 = 181,661.40/x
  3. Step 3: Cross multiply
    196,867.80x = 295,301.70 × 181,661.40
  4. Step 4: Simplify right side
    196,867.80x = 53,644,920,244.38
  5. Step 5: Solve for x
    x = 53,644,920,244.38/196,867.80
  6. Step 6: Final answer
    x = 272,492.10

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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.