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Finding the Fourth Proportional to 358,089.72, 494,167.16 and 194,747.72

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Solution

The fourth proportional to 358,089.72, 494,167.16 and 194,747.72 is: 268,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,089.72 : 494,167.16 = 194,747.72 : x
  2. Step 2: Convert to fraction form
    358,089.72/494,167.16 = 194,747.72/x
  3. Step 3: Cross multiply
    358,089.72x = 494,167.16 × 194,747.72
  4. Step 4: Simplify right side
    358,089.72x = 96,237,927,708.88
  5. Step 5: Solve for x
    x = 96,237,927,708.88/358,089.72
  6. Step 6: Final answer
    x = 268,753.67

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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.