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Finding the Fourth Proportional to 245,926.88, 339,385.92 and 150,431.84

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Solution

The fourth proportional to 245,926.88, 339,385.92 and 150,431.84 is: 207,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,926.88 : 339,385.92 = 150,431.84 : x
  2. Step 2: Convert to fraction form
    245,926.88/339,385.92 = 150,431.84/x
  3. Step 3: Cross multiply
    245,926.88x = 339,385.92 × 150,431.84
  4. Step 4: Simplify right side
    245,926.88x = 51,054,448,415.69
  5. Step 5: Solve for x
    x = 51,054,448,415.69/245,926.88
  6. Step 6: Final answer
    x = 207,600.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.