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Finding the Fourth Proportional to 180,167.97, 248,619.95 and 103,674.72

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Solution

The fourth proportional to 180,167.97, 248,619.95 and 103,674.72 is: 143,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,167.97 : 248,619.95 = 103,674.72 : x
  2. Step 2: Convert to fraction form
    180,167.97/248,619.95 = 103,674.72/x
  3. Step 3: Cross multiply
    180,167.97x = 248,619.95 × 103,674.72
  4. Step 4: Simplify right side
    180,167.97x = 25,775,603,702.66
  5. Step 5: Solve for x
    x = 25,775,603,702.66/180,167.97
  6. Step 6: Final answer
    x = 143,064.30

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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.