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Finding the Fourth Proportional to 125,879.22, 173,714.52 and 69,291

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Solution

The fourth proportional to 125,879.22, 173,714.52 and 69,291 is: 95,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.22 : 173,714.52 = 69,291 : x
  2. Step 2: Convert to fraction form
    125,879.22/173,714.52 = 69,291/x
  3. Step 3: Cross multiply
    125,879.22x = 173,714.52 × 69,291
  4. Step 4: Simplify right side
    125,879.22x = 12,036,852,805.32
  5. Step 5: Solve for x
    x = 12,036,852,805.32/125,879.22
  6. Step 6: Final answer
    x = 95,622.24

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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.