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Finding the Fourth Proportional to 195,457.98, 293,186.81 and 69,029.51

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Solution

The fourth proportional to 195,457.98, 293,186.81 and 69,029.51 is: 103,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,457.98 : 293,186.81 = 69,029.51 : x
  2. Step 2: Convert to fraction form
    195,457.98/293,186.81 = 69,029.51/x
  3. Step 3: Cross multiply
    195,457.98x = 293,186.81 × 69,029.51
  4. Step 4: Simplify right side
    195,457.98x = 20,238,540,021.68
  5. Step 5: Solve for x
    x = 20,238,540,021.68/195,457.98
  6. Step 6: Final answer
    x = 103,544.20

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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.