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Finding the Fourth Proportional to 114,751.50, 158,371.92 and 64,450.50

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Solution

The fourth proportional to 114,751.50, 158,371.92 and 64,450.50 is: 88,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,751.50 : 158,371.92 = 64,450.50 : x
  2. Step 2: Convert to fraction form
    114,751.50/158,371.92 = 64,450.50/x
  3. Step 3: Cross multiply
    114,751.50x = 158,371.92 × 64,450.50
  4. Step 4: Simplify right side
    114,751.50x = 10,207,149,429.96
  5. Step 5: Solve for x
    x = 10,207,149,429.96/114,751.50
  6. Step 6: Final answer
    x = 88,950.03

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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.