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Finding the Fourth Proportional to 273,287.84, 377,137.74 and 152,436.96

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Solution

The fourth proportional to 273,287.84, 377,137.74 and 152,436.96 is: 210,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,287.84 : 377,137.74 = 152,436.96 : x
  2. Step 2: Convert to fraction form
    273,287.84/377,137.74 = 152,436.96/x
  3. Step 3: Cross multiply
    273,287.84x = 377,137.74 × 152,436.96
  4. Step 4: Simplify right side
    273,287.84x = 57,489,730,586.87
  5. Step 5: Solve for x
    x = 57,489,730,586.87/273,287.84
  6. Step 6: Final answer
    x = 210,363.30

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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.