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Finding the Fourth Proportional to 295,201.80, 443,021.40 and 117,836.10

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Solution

The fourth proportional to 295,201.80, 443,021.40 and 117,836.10 is: 176,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,201.80 : 443,021.40 = 117,836.10 : x
  2. Step 2: Convert to fraction form
    295,201.80/443,021.40 = 117,836.10/x
  3. Step 3: Cross multiply
    295,201.80x = 443,021.40 × 117,836.10
  4. Step 4: Simplify right side
    295,201.80x = 52,203,913,992.54
  5. Step 5: Solve for x
    x = 52,203,913,992.54/295,201.80
  6. Step 6: Final answer
    x = 176,841.45

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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.