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Finding the Fourth Proportional to 273,289.37, 377,139.99 and 152,438.48

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Solution

The fourth proportional to 273,289.37, 377,139.99 and 152,438.48 is: 210,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,289.37 : 377,139.99 = 152,438.48 : x
  2. Step 2: Convert to fraction form
    273,289.37/377,139.99 = 152,438.48/x
  3. Step 3: Cross multiply
    273,289.37x = 377,139.99 × 152,438.48
  4. Step 4: Simplify right side
    273,289.37x = 57,490,646,494.30
  5. Step 5: Solve for x
    x = 57,490,646,494.30/273,289.37
  6. Step 6: Final answer
    x = 210,365.47

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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.