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Finding the Fourth Proportional to 174,698.80, 262,048.20 and 132,708.40

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Solution

The fourth proportional to 174,698.80, 262,048.20 and 132,708.40 is: 199,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,698.80 : 262,048.20 = 132,708.40 : x
  2. Step 2: Convert to fraction form
    174,698.80/262,048.20 = 132,708.40/x
  3. Step 3: Cross multiply
    174,698.80x = 262,048.20 × 132,708.40
  4. Step 4: Simplify right side
    174,698.80x = 34,775,997,344.88
  5. Step 5: Solve for x
    x = 34,775,997,344.88/174,698.80
  6. Step 6: Final answer
    x = 199,062.60

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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.