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Finding the Fourth Proportional to 196,891.80, 295,337.70 and 181,685.40

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Solution

The fourth proportional to 196,891.80, 295,337.70 and 181,685.40 is: 272,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,891.80 : 295,337.70 = 181,685.40 : x
  2. Step 2: Convert to fraction form
    196,891.80/295,337.70 = 181,685.40/x
  3. Step 3: Cross multiply
    196,891.80x = 295,337.70 × 181,685.40
  4. Step 4: Simplify right side
    196,891.80x = 53,658,548,159.58
  5. Step 5: Solve for x
    x = 53,658,548,159.58/196,891.80
  6. Step 6: Final answer
    x = 272,528.10

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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.