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Finding the Fourth Proportional to 273,883.54, 377,978.85 and 151,373.29

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Solution

The fourth proportional to 273,883.54, 377,978.85 and 151,373.29 is: 208,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,883.54 : 377,978.85 = 151,373.29 : x
  2. Step 2: Convert to fraction form
    273,883.54/377,978.85 = 151,373.29/x
  3. Step 3: Cross multiply
    273,883.54x = 377,978.85 × 151,373.29
  4. Step 4: Simplify right side
    273,883.54x = 57,215,901,838.40
  5. Step 5: Solve for x
    x = 57,215,901,838.40/273,883.54
  6. Step 6: Final answer
    x = 208,905.95

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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.