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Finding the Fourth Proportional to 174,701.80, 261,663.90 and 91,498.60

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Solution

The fourth proportional to 174,701.80, 261,663.90 and 91,498.60 is: 137,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,701.80 : 261,663.90 = 91,498.60 : x
  2. Step 2: Convert to fraction form
    174,701.80/261,663.90 = 91,498.60/x
  3. Step 3: Cross multiply
    174,701.80x = 261,663.90 × 91,498.60
  4. Step 4: Simplify right side
    174,701.80x = 23,941,880,520.54
  5. Step 5: Solve for x
    x = 23,941,880,520.54/174,701.80
  6. Step 6: Final answer
    x = 137,044.27

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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.