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Finding the Fourth Proportional to 163,077.80, 244,386.30 and 120,626.60

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Solution

The fourth proportional to 163,077.80, 244,386.30 and 120,626.60 is: 180,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.80 : 244,386.30 = 120,626.60 : x
  2. Step 2: Convert to fraction form
    163,077.80/244,386.30 = 120,626.60/x
  3. Step 3: Cross multiply
    163,077.80x = 244,386.30 × 120,626.60
  4. Step 4: Simplify right side
    163,077.80x = 29,479,488,455.58
  5. Step 5: Solve for x
    x = 29,479,488,455.58/163,077.80
  6. Step 6: Final answer
    x = 180,769.48

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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.