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Finding the Fourth Proportional to 273,270.66, 377,114.19 and 152,419.78

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Solution

The fourth proportional to 273,270.66, 377,114.19 and 152,419.78 is: 210,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,270.66 : 377,114.19 = 152,419.78 : x
  2. Step 2: Convert to fraction form
    273,270.66/377,114.19 = 152,419.78/x
  3. Step 3: Cross multiply
    273,270.66x = 377,114.19 × 152,419.78
  4. Step 4: Simplify right side
    273,270.66x = 57,479,659,760.40
  5. Step 5: Solve for x
    x = 57,479,659,760.40/273,270.66
  6. Step 6: Final answer
    x = 210,339.67

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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.