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Finding the Fourth Proportional to 245,663.88, 368,496.01 and 68,171.07

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Solution

The fourth proportional to 245,663.88, 368,496.01 and 68,171.07 is: 102,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,663.88 : 368,496.01 = 68,171.07 : x
  2. Step 2: Convert to fraction form
    245,663.88/368,496.01 = 68,171.07/x
  3. Step 3: Cross multiply
    245,663.88x = 368,496.01 × 68,171.07
  4. Step 4: Simplify right side
    245,663.88x = 25,120,767,292.43
  5. Step 5: Solve for x
    x = 25,120,767,292.43/245,663.88
  6. Step 6: Final answer
    x = 102,256.66

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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.