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Finding the Fourth Proportional to 208,050, 287,147.94 and 118,626

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Solution

The fourth proportional to 208,050, 287,147.94 and 118,626 is: 163,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,050 : 287,147.94 = 118,626 : x
  2. Step 2: Convert to fraction form
    208,050/287,147.94 = 118,626/x
  3. Step 3: Cross multiply
    208,050x = 287,147.94 × 118,626
  4. Step 4: Simplify right side
    208,050x = 34,063,211,530.44
  5. Step 5: Solve for x
    x = 34,063,211,530.44/208,050
  6. Step 6: Final answer
    x = 163,726.08

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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.