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Finding the Fourth Proportional to 167,210.85, 250,668.62 and 127,943.27

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Solution

The fourth proportional to 167,210.85, 250,668.62 and 127,943.27 is: 191,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.85 : 250,668.62 = 127,943.27 : x
  2. Step 2: Convert to fraction form
    167,210.85/250,668.62 = 127,943.27/x
  3. Step 3: Cross multiply
    167,210.85x = 250,668.62 × 127,943.27
  4. Step 4: Simplify right side
    167,210.85x = 32,071,361,036.13
  5. Step 5: Solve for x
    x = 32,071,361,036.13/167,210.85
  6. Step 6: Final answer
    x = 191,801.91

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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.