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Finding the Fourth Proportional to 233,917.65, 322,806.12 and 126,487.41

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Solution

The fourth proportional to 233,917.65, 322,806.12 and 126,487.41 is: 174,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,917.65 : 322,806.12 = 126,487.41 : x
  2. Step 2: Convert to fraction form
    233,917.65/322,806.12 = 126,487.41/x
  3. Step 3: Cross multiply
    233,917.65x = 322,806.12 × 126,487.41
  4. Step 4: Simplify right side
    233,917.65x = 40,830,910,050.95
  5. Step 5: Solve for x
    x = 40,830,910,050.95/233,917.65
  6. Step 6: Final answer
    x = 174,552.50

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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.