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Finding the Fourth Proportional to 175,699.96, 263,658.31 and 69,065.19

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Solution

The fourth proportional to 175,699.96, 263,658.31 and 69,065.19 is: 103,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,699.96 : 263,658.31 = 69,065.19 : x
  2. Step 2: Convert to fraction form
    175,699.96/263,658.31 = 69,065.19/x
  3. Step 3: Cross multiply
    175,699.96x = 263,658.31 × 69,065.19
  4. Step 4: Simplify right side
    175,699.96x = 18,209,611,102.57
  5. Step 5: Solve for x
    x = 18,209,611,102.57/175,699.96
  6. Step 6: Final answer
    x = 103,640.38

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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.