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Finding the Fourth Proportional to 119,953.50, 165,550.41 and 69,652.50

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Solution

The fourth proportional to 119,953.50, 165,550.41 and 69,652.50 is: 96,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,953.50 : 165,550.41 = 69,652.50 : x
  2. Step 2: Convert to fraction form
    119,953.50/165,550.41 = 69,652.50/x
  3. Step 3: Cross multiply
    119,953.50x = 165,550.41 × 69,652.50
  4. Step 4: Simplify right side
    119,953.50x = 11,530,999,932.53
  5. Step 5: Solve for x
    x = 11,530,999,932.53/119,953.50
  6. Step 6: Final answer
    x = 96,128.92

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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.