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Finding the Fourth Proportional to 262,790.70, 362,651.10 and 141,931.96

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Solution

The fourth proportional to 262,790.70, 362,651.10 and 141,931.96 is: 195,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,790.70 : 362,651.10 = 141,931.96 : x
  2. Step 2: Convert to fraction form
    262,790.70/362,651.10 = 141,931.96/x
  3. Step 3: Cross multiply
    262,790.70x = 362,651.10 × 141,931.96
  4. Step 4: Simplify right side
    262,790.70x = 51,471,781,419.16
  5. Step 5: Solve for x
    x = 51,471,781,419.16/262,790.70
  6. Step 6: Final answer
    x = 195,866.07

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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.