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Finding the Fourth Proportional to 174,920.80, 262,035.60 and 104,591.20

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Solution

The fourth proportional to 174,920.80, 262,035.60 and 104,591.20 is: 156,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,920.80 : 262,035.60 = 104,591.20 : x
  2. Step 2: Convert to fraction form
    174,920.80/262,035.60 = 104,591.20/x
  3. Step 3: Cross multiply
    174,920.80x = 262,035.60 × 104,591.20
  4. Step 4: Simplify right side
    174,920.80x = 27,406,617,846.72
  5. Step 5: Solve for x
    x = 27,406,617,846.72/174,920.80
  6. Step 6: Final answer
    x = 156,680.15

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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.