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Finding the Fourth Proportional to 180,443.76, 270,567.72 and 54,066.48

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Solution

The fourth proportional to 180,443.76, 270,567.72 and 54,066.48 is: 81,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,443.76 : 270,567.72 = 54,066.48 : x
  2. Step 2: Convert to fraction form
    180,443.76/270,567.72 = 54,066.48/x
  3. Step 3: Cross multiply
    180,443.76x = 270,567.72 × 54,066.48
  4. Step 4: Simplify right side
    180,443.76x = 14,628,644,222.03
  5. Step 5: Solve for x
    x = 14,628,644,222.03/180,443.76
  6. Step 6: Final answer
    x = 81,070.38

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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.