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Finding the Fourth Proportional to 167,707.60, 251,561.40 and 114,957.16

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Solution

The fourth proportional to 167,707.60, 251,561.40 and 114,957.16 is: 172,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,707.60 : 251,561.40 = 114,957.16 : x
  2. Step 2: Convert to fraction form
    167,707.60/251,561.40 = 114,957.16/x
  3. Step 3: Cross multiply
    167,707.60x = 251,561.40 × 114,957.16
  4. Step 4: Simplify right side
    167,707.60x = 28,918,783,049.63
  5. Step 5: Solve for x
    x = 28,918,783,049.63/167,707.60
  6. Step 6: Final answer
    x = 172,435.74

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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.