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Finding the Fourth Proportional to 273,330.76, 410,013.42 and 115,538.44

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Solution

The fourth proportional to 273,330.76, 410,013.42 and 115,538.44 is: 173,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,330.76 : 410,013.42 = 115,538.44 : x
  2. Step 2: Convert to fraction form
    273,330.76/410,013.42 = 115,538.44/x
  3. Step 3: Cross multiply
    273,330.76x = 410,013.42 × 115,538.44
  4. Step 4: Simplify right side
    273,330.76x = 47,372,310,925.86
  5. Step 5: Solve for x
    x = 47,372,310,925.86/273,330.76
  6. Step 6: Final answer
    x = 173,314.96

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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.