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Finding the Fourth Proportional to 163,309.82, 244,962.56 and 79,077.52

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Solution

The fourth proportional to 163,309.82, 244,962.56 and 79,077.52 is: 118,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,309.82 : 244,962.56 = 79,077.52 : x
  2. Step 2: Convert to fraction form
    163,309.82/244,962.56 = 79,077.52/x
  3. Step 3: Cross multiply
    163,309.82x = 244,962.56 × 79,077.52
  4. Step 4: Simplify right side
    163,309.82x = 19,371,030,512.84
  5. Step 5: Solve for x
    x = 19,371,030,512.84/163,309.82
  6. Step 6: Final answer
    x = 118,615.22

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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.