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Finding the Fourth Proportional to 102,600.96, 153,950.04 and 71,059.56

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Solution

The fourth proportional to 102,600.96, 153,950.04 and 71,059.56 is: 106,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,600.96 : 153,950.04 = 71,059.56 : x
  2. Step 2: Convert to fraction form
    102,600.96/153,950.04 = 71,059.56/x
  3. Step 3: Cross multiply
    102,600.96x = 153,950.04 × 71,059.56
  4. Step 4: Simplify right side
    102,600.96x = 10,939,622,104.38
  5. Step 5: Solve for x
    x = 10,939,622,104.38/102,600.96
  6. Step 6: Final answer
    x = 106,623.00

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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.