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Finding the Fourth Proportional to 245,129.49, 367,650.43 and 65,215.94

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Solution

The fourth proportional to 245,129.49, 367,650.43 and 65,215.94 is: 97,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,129.49 : 367,650.43 = 65,215.94 : x
  2. Step 2: Convert to fraction form
    245,129.49/367,650.43 = 65,215.94/x
  3. Step 3: Cross multiply
    245,129.49x = 367,650.43 × 65,215.94
  4. Step 4: Simplify right side
    245,129.49x = 23,976,666,382.56
  5. Step 5: Solve for x
    x = 23,976,666,382.56/245,129.49
  6. Step 6: Final answer
    x = 97,812.25

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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.