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Finding the Fourth Proportional to 180,169.98, 248,622.70 and 103,676.72

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Solution

The fourth proportional to 180,169.98, 248,622.70 and 103,676.72 is: 143,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,169.98 : 248,622.70 = 103,676.72 : x
  2. Step 2: Convert to fraction form
    180,169.98/248,622.70 = 103,676.72/x
  3. Step 3: Cross multiply
    180,169.98x = 248,622.70 × 103,676.72
  4. Step 4: Simplify right side
    180,169.98x = 25,776,386,053.54
  5. Step 5: Solve for x
    x = 25,776,386,053.54/180,169.98
  6. Step 6: Final answer
    x = 143,067.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.