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Finding the Fourth Proportional to 262,372.92, 362,063.90 and 154,977.72

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Solution

The fourth proportional to 262,372.92, 362,063.90 and 154,977.72 is: 213,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,372.92 : 362,063.90 = 154,977.72 : x
  2. Step 2: Convert to fraction form
    262,372.92/362,063.90 = 154,977.72/x
  3. Step 3: Cross multiply
    262,372.92x = 362,063.90 × 154,977.72
  4. Step 4: Simplify right side
    262,372.92x = 56,111,837,716.31
  5. Step 5: Solve for x
    x = 56,111,837,716.31/262,372.92
  6. Step 6: Final answer
    x = 213,862.92

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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.