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Finding the Fourth Proportional to 169,661.80, 238,051.40 and 169,661.80

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Solution

The fourth proportional to 169,661.80, 238,051.40 and 169,661.80 is: 238,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,661.80 : 238,051.40 = 169,661.80 : x
  2. Step 2: Convert to fraction form
    169,661.80/238,051.40 = 169,661.80/x
  3. Step 3: Cross multiply
    169,661.80x = 238,051.40 × 169,661.80
  4. Step 4: Simplify right side
    169,661.80x = 40,388,229,016.52
  5. Step 5: Solve for x
    x = 40,388,229,016.52/169,661.80
  6. Step 6: Final answer
    x = 238,051.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.