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Finding the Fourth Proportional to 155,937.67, 233,712.71 and 71,608.37

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Solution

The fourth proportional to 155,937.67, 233,712.71 and 71,608.37 is: 107,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,937.67 : 233,712.71 = 71,608.37 : x
  2. Step 2: Convert to fraction form
    155,937.67/233,712.71 = 71,608.37/x
  3. Step 3: Cross multiply
    155,937.67x = 233,712.71 × 71,608.37
  4. Step 4: Simplify right side
    155,937.67x = 16,735,784,953.31
  5. Step 5: Solve for x
    x = 16,735,784,953.31/155,937.67
  6. Step 6: Final answer
    x = 107,323.56

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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.