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Finding the Fourth Proportional to 273,871.02, 377,877.21 and 159,081.46

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Solution

The fourth proportional to 273,871.02, 377,877.21 and 159,081.46 is: 219,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,871.02 : 377,877.21 = 159,081.46 : x
  2. Step 2: Convert to fraction form
    273,871.02/377,877.21 = 159,081.46/x
  3. Step 3: Cross multiply
    273,871.02x = 377,877.21 × 159,081.46
  4. Step 4: Simplify right side
    273,871.02x = 60,113,258,267.53
  5. Step 5: Solve for x
    x = 60,113,258,267.53/273,871.02
  6. Step 6: Final answer
    x = 219,494.78

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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.