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Finding the Fourth Proportional to 273,133.35, 376,927.29 and 158,438.52

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Solution

The fourth proportional to 273,133.35, 376,927.29 and 158,438.52 is: 218,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,133.35 : 376,927.29 = 158,438.52 : x
  2. Step 2: Convert to fraction form
    273,133.35/376,927.29 = 158,438.52/x
  3. Step 3: Cross multiply
    273,133.35x = 376,927.29 × 158,438.52
  4. Step 4: Simplify right side
    273,133.35x = 59,719,801,975.21
  5. Step 5: Solve for x
    x = 59,719,801,975.21/273,133.35
  6. Step 6: Final answer
    x = 218,647.05

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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.