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Finding the Fourth Proportional to 235,873, 353,809.50 and 69,673.96

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Solution

The fourth proportional to 235,873, 353,809.50 and 69,673.96 is: 104,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,873 : 353,809.50 = 69,673.96 : x
  2. Step 2: Convert to fraction form
    235,873/353,809.50 = 69,673.96/x
  3. Step 3: Cross multiply
    235,873x = 353,809.50 × 69,673.96
  4. Step 4: Simplify right side
    235,873x = 24,651,308,950.62
  5. Step 5: Solve for x
    x = 24,651,308,950.62/235,873
  6. Step 6: Final answer
    x = 104,510.94

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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.