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Finding the Fourth Proportional to 273,838.57, 410,804.57 and 122,090.71

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Solution

The fourth proportional to 273,838.57, 410,804.57 and 122,090.71 is: 183,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,838.57 : 410,804.57 = 122,090.71 : x
  2. Step 2: Convert to fraction form
    273,838.57/410,804.57 = 122,090.71/x
  3. Step 3: Cross multiply
    273,838.57x = 410,804.57 × 122,090.71
  4. Step 4: Simplify right side
    273,838.57x = 50,155,421,622.54
  5. Step 5: Solve for x
    x = 50,155,421,622.54/273,838.57
  6. Step 6: Final answer
    x = 183,156.89

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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.