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Finding the Fourth Proportional to 245,775.45, 368,364.29 and 133,188.69

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Solution

The fourth proportional to 245,775.45, 368,364.29 and 133,188.69 is: 199,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,775.45 : 368,364.29 = 133,188.69 : x
  2. Step 2: Convert to fraction form
    245,775.45/368,364.29 = 133,188.69/x
  3. Step 3: Cross multiply
    245,775.45x = 368,364.29 × 133,188.69
  4. Step 4: Simplify right side
    245,775.45x = 49,061,957,227.88
  5. Step 5: Solve for x
    x = 49,061,957,227.88/245,775.45
  6. Step 6: Final answer
    x = 199,621.07

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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.