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Finding the Fourth Proportional to 235,876.50, 353,814.75 and 69,677.46

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Solution

The fourth proportional to 235,876.50, 353,814.75 and 69,677.46 is: 104,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,876.50 : 353,814.75 = 69,677.46 : x
  2. Step 2: Convert to fraction form
    235,876.50/353,814.75 = 69,677.46/x
  3. Step 3: Cross multiply
    235,876.50x = 353,814.75 × 69,677.46
  4. Step 4: Simplify right side
    235,876.50x = 24,652,913,090.54
  5. Step 5: Solve for x
    x = 24,652,913,090.54/235,876.50
  6. Step 6: Final answer
    x = 104,516.19

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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.