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Finding the Fourth Proportional to 235,874.50, 353,811.75 and 69,675.46

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Solution

The fourth proportional to 235,874.50, 353,811.75 and 69,675.46 is: 104,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,874.50 : 353,811.75 = 69,675.46 : x
  2. Step 2: Convert to fraction form
    235,874.50/353,811.75 = 69,675.46/x
  3. Step 3: Cross multiply
    235,874.50x = 353,811.75 × 69,675.46
  4. Step 4: Simplify right side
    235,874.50x = 24,651,996,434.66
  5. Step 5: Solve for x
    x = 24,651,996,434.66/235,874.50
  6. Step 6: Final answer
    x = 104,513.19

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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.