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Finding the Fourth Proportional to 273,848.84, 377,907.12 and 152,991.80

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Solution

The fourth proportional to 273,848.84, 377,907.12 and 152,991.80 is: 211,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,848.84 : 377,907.12 = 152,991.80 : x
  2. Step 2: Convert to fraction form
    273,848.84/377,907.12 = 152,991.80/x
  3. Step 3: Cross multiply
    273,848.84x = 377,907.12 × 152,991.80
  4. Step 4: Simplify right side
    273,848.84x = 57,816,690,521.62
  5. Step 5: Solve for x
    x = 57,816,690,521.62/273,848.84
  6. Step 6: Final answer
    x = 211,126.29

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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.