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Finding the Fourth Proportional to 182,069.76, 273,104.64 and 57,420.48

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Solution

The fourth proportional to 182,069.76, 273,104.64 and 57,420.48 is: 86,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,069.76 : 273,104.64 = 57,420.48 : x
  2. Step 2: Convert to fraction form
    182,069.76/273,104.64 = 57,420.48/x
  3. Step 3: Cross multiply
    182,069.76x = 273,104.64 × 57,420.48
  4. Step 4: Simplify right side
    182,069.76x = 15,681,799,519.03
  5. Step 5: Solve for x
    x = 15,681,799,519.03/182,069.76
  6. Step 6: Final answer
    x = 86,130.72

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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.