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Finding the Fourth Proportional to 245,242.40, 367,822.09 and 67,749.93

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Solution

The fourth proportional to 245,242.40, 367,822.09 and 67,749.93 is: 101,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,242.40 : 367,822.09 = 67,749.93 : x
  2. Step 2: Convert to fraction form
    245,242.40/367,822.09 = 67,749.93/x
  3. Step 3: Cross multiply
    245,242.40x = 367,822.09 × 67,749.93
  4. Step 4: Simplify right side
    245,242.40x = 24,919,920,849.95
  5. Step 5: Solve for x
    x = 24,919,920,849.95/245,242.40
  6. Step 6: Final answer
    x = 101,613.43

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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.