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Finding the Fourth Proportional to 102,283.99, 153,354.67 and 45,326.87

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Solution

The fourth proportional to 102,283.99, 153,354.67 and 45,326.87 is: 67,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,283.99 : 153,354.67 = 45,326.87 : x
  2. Step 2: Convert to fraction form
    102,283.99/153,354.67 = 45,326.87/x
  3. Step 3: Cross multiply
    102,283.99x = 153,354.67 × 45,326.87
  4. Step 4: Simplify right side
    102,283.99x = 6,951,087,190.98
  5. Step 5: Solve for x
    x = 6,951,087,190.98/102,283.99
  6. Step 6: Final answer
    x = 67,958.71

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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.