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Finding the Fourth Proportional to 207,888.82, 311,588.74 and 93,903.58

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Solution

The fourth proportional to 207,888.82, 311,588.74 and 93,903.58 is: 140,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,888.82 : 311,588.74 = 93,903.58 : x
  2. Step 2: Convert to fraction form
    207,888.82/311,588.74 = 93,903.58/x
  3. Step 3: Cross multiply
    207,888.82x = 311,588.74 × 93,903.58
  4. Step 4: Simplify right side
    207,888.82x = 29,259,297,408.06
  5. Step 5: Solve for x
    x = 29,259,297,408.06/207,888.82
  6. Step 6: Final answer
    x = 140,744.93

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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.