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Finding the Fourth Proportional to 273,817.50, 377,868.16 and 154,585.50

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Solution

The fourth proportional to 273,817.50, 377,868.16 and 154,585.50 is: 213,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,817.50 : 377,868.16 = 154,585.50 : x
  2. Step 2: Convert to fraction form
    273,817.50/377,868.16 = 154,585.50/x
  3. Step 3: Cross multiply
    273,817.50x = 377,868.16 × 154,585.50
  4. Step 4: Simplify right side
    273,817.50x = 58,412,938,447.68
  5. Step 5: Solve for x
    x = 58,412,938,447.68/273,817.50
  6. Step 6: Final answer
    x = 213,328.00

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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.