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Finding the Fourth Proportional to 164,080.60, 245,732.10 and 111,203.80

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Solution

The fourth proportional to 164,080.60, 245,732.10 and 111,203.80 is: 166,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,080.60 : 245,732.10 = 111,203.80 : x
  2. Step 2: Convert to fraction form
    164,080.60/245,732.10 = 111,203.80/x
  3. Step 3: Cross multiply
    164,080.60x = 245,732.10 × 111,203.80
  4. Step 4: Simplify right side
    164,080.60x = 27,326,343,301.98
  5. Step 5: Solve for x
    x = 27,326,343,301.98/164,080.60
  6. Step 6: Final answer
    x = 166,542.20

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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.