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Finding the Fourth Proportional to 273,620.40, 377,567.40 and 158,876.61

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Solution

The fourth proportional to 273,620.40, 377,567.40 and 158,876.61 is: 219,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,620.40 : 377,567.40 = 158,876.61 : x
  2. Step 2: Convert to fraction form
    273,620.40/377,567.40 = 158,876.61/x
  3. Step 3: Cross multiply
    273,620.40x = 377,567.40 × 158,876.61
  4. Step 4: Simplify right side
    273,620.40x = 59,986,628,558.51
  5. Step 5: Solve for x
    x = 59,986,628,558.51/273,620.40
  6. Step 6: Final answer
    x = 219,233.03

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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.