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Finding the Fourth Proportional to 245,134.60, 367,658.13 and 65,221.06

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Solution

The fourth proportional to 245,134.60, 367,658.13 and 65,221.06 is: 97,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,134.60 : 367,658.13 = 65,221.06 : x
  2. Step 2: Convert to fraction form
    245,134.60/367,658.13 = 65,221.06/x
  3. Step 3: Cross multiply
    245,134.60x = 367,658.13 × 65,221.06
  4. Step 4: Simplify right side
    245,134.60x = 23,979,052,956.22
  5. Step 5: Solve for x
    x = 23,979,052,956.22/245,134.60
  6. Step 6: Final answer
    x = 97,819.94

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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.