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Finding the Fourth Proportional to 125,649.54, 188,445.06 and 36,879.30

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Solution

The fourth proportional to 125,649.54, 188,445.06 and 36,879.30 is: 55,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.54 : 188,445.06 = 36,879.30 : x
  2. Step 2: Convert to fraction form
    125,649.54/188,445.06 = 36,879.30/x
  3. Step 3: Cross multiply
    125,649.54x = 188,445.06 × 36,879.30
  4. Step 4: Simplify right side
    125,649.54x = 6,949,721,901.26
  5. Step 5: Solve for x
    x = 6,949,721,901.26/125,649.54
  6. Step 6: Final answer
    x = 55,310.36

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1.5x scale

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.