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Finding the Fourth Proportional to 273,542.51, 377,551.65 and 160,401.71

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Solution

The fourth proportional to 273,542.51, 377,551.65 and 160,401.71 is: 221,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,542.51 : 377,551.65 = 160,401.71 : x
  2. Step 2: Convert to fraction form
    273,542.51/377,551.65 = 160,401.71/x
  3. Step 3: Cross multiply
    273,542.51x = 377,551.65 × 160,401.71
  4. Step 4: Simplify right side
    273,542.51x = 60,559,928,385.56
  5. Step 5: Solve for x
    x = 60,559,928,385.56/273,542.51
  6. Step 6: Final answer
    x = 221,391.29

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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.