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Finding the Fourth Proportional to 245,324.70, 367,695.45 and 103,169.70

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Solution

The fourth proportional to 245,324.70, 367,695.45 and 103,169.70 is: 154,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,324.70 : 367,695.45 = 103,169.70 : x
  2. Step 2: Convert to fraction form
    245,324.70/367,695.45 = 103,169.70/x
  3. Step 3: Cross multiply
    245,324.70x = 367,695.45 × 103,169.70
  4. Step 4: Simplify right side
    245,324.70x = 37,935,029,267.87
  5. Step 5: Solve for x
    x = 37,935,029,267.87/245,324.70
  6. Step 6: Final answer
    x = 154,631.92

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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.