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Finding the Fourth Proportional to 273,220.82, 377,046.38 and 152,369.76

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Solution

The fourth proportional to 273,220.82, 377,046.38 and 152,369.76 is: 210,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,220.82 : 377,046.38 = 152,369.76 : x
  2. Step 2: Convert to fraction form
    273,220.82/377,046.38 = 152,369.76/x
  3. Step 3: Cross multiply
    273,220.82x = 377,046.38 × 152,369.76
  4. Step 4: Simplify right side
    273,220.82x = 57,450,466,429.47
  5. Step 5: Solve for x
    x = 57,450,466,429.47/273,220.82
  6. Step 6: Final answer
    x = 210,271.19

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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.