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Finding the Fourth Proportional to 273,813.50, 377,862.64 and 154,581.50

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Solution

The fourth proportional to 273,813.50, 377,862.64 and 154,581.50 is: 213,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,813.50 : 377,862.64 = 154,581.50 : x
  2. Step 2: Convert to fraction form
    273,813.50/377,862.64 = 154,581.50/x
  3. Step 3: Cross multiply
    273,813.50x = 377,862.64 × 154,581.50
  4. Step 4: Simplify right side
    273,813.50x = 58,410,573,685.16
  5. Step 5: Solve for x
    x = 58,410,573,685.16/273,813.50
  6. Step 6: Final answer
    x = 213,322.48

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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.