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Finding the Fourth Proportional to 180,468.80, 270,703.20 and 124,481.60

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Solution

The fourth proportional to 180,468.80, 270,703.20 and 124,481.60 is: 186,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,468.80 : 270,703.20 = 124,481.60 : x
  2. Step 2: Convert to fraction form
    180,468.80/270,703.20 = 124,481.60/x
  3. Step 3: Cross multiply
    180,468.80x = 270,703.20 × 124,481.60
  4. Step 4: Simplify right side
    180,468.80x = 33,697,567,461.12
  5. Step 5: Solve for x
    x = 33,697,567,461.12/180,468.80
  6. Step 6: Final answer
    x = 186,722.40

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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.