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Finding the Fourth Proportional to 245,330.45, 367,995.68 and 65,416.49

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Solution

The fourth proportional to 245,330.45, 367,995.68 and 65,416.49 is: 98,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,330.45 : 367,995.68 = 65,416.49 : x
  2. Step 2: Convert to fraction form
    245,330.45/367,995.68 = 65,416.49/x
  3. Step 3: Cross multiply
    245,330.45x = 367,995.68 × 65,416.49
  4. Step 4: Simplify right side
    245,330.45x = 24,072,983,553.70
  5. Step 5: Solve for x
    x = 24,072,983,553.70/245,330.45
  6. Step 6: Final answer
    x = 98,124.73

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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.