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Finding the Fourth Proportional to 141,953.46, 213,077.76 and 104,555.76

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Solution

The fourth proportional to 141,953.46, 213,077.76 and 104,555.76 is: 156,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,953.46 : 213,077.76 = 104,555.76 : x
  2. Step 2: Convert to fraction form
    141,953.46/213,077.76 = 104,555.76/x
  3. Step 3: Cross multiply
    141,953.46x = 213,077.76 × 104,555.76
  4. Step 4: Simplify right side
    141,953.46x = 22,278,507,135.90
  5. Step 5: Solve for x
    x = 22,278,507,135.90/141,953.46
  6. Step 6: Final answer
    x = 156,942.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.