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Finding the Fourth Proportional to 193,307.60, 290,034.30 and 93,556.10

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Solution

The fourth proportional to 193,307.60, 290,034.30 and 93,556.10 is: 140,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,307.60 : 290,034.30 = 93,556.10 : x
  2. Step 2: Convert to fraction form
    193,307.60/290,034.30 = 93,556.10/x
  3. Step 3: Cross multiply
    193,307.60x = 290,034.30 × 93,556.10
  4. Step 4: Simplify right side
    193,307.60x = 27,134,477,974.23
  5. Step 5: Solve for x
    x = 27,134,477,974.23/193,307.60
  6. Step 6: Final answer
    x = 140,369.43

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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.