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Finding the Fourth Proportional to 163,679.67, 245,420.69 and 63,820.71

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Solution

The fourth proportional to 163,679.67, 245,420.69 and 63,820.71 is: 95,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.67 : 245,420.69 = 63,820.71 : x
  2. Step 2: Convert to fraction form
    163,679.67/245,420.69 = 63,820.71/x
  3. Step 3: Cross multiply
    163,679.67x = 245,420.69 × 63,820.71
  4. Step 4: Simplify right side
    163,679.67x = 15,662,922,365.39
  5. Step 5: Solve for x
    x = 15,662,922,365.39/163,679.67
  6. Step 6: Final answer
    x = 95,692.53

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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.