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Finding the Fourth Proportional to 273,429.50, 377,272.26 and 158,641.64

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Solution

The fourth proportional to 273,429.50, 377,272.26 and 158,641.64 is: 218,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,429.50 : 377,272.26 = 158,641.64 : x
  2. Step 2: Convert to fraction form
    273,429.50/377,272.26 = 158,641.64/x
  3. Step 3: Cross multiply
    273,429.50x = 377,272.26 × 158,641.64
  4. Step 4: Simplify right side
    273,429.50x = 59,851,090,052.91
  5. Step 5: Solve for x
    x = 59,851,090,052.91/273,429.50
  6. Step 6: Final answer
    x = 218,890.39

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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.