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Finding the Fourth Proportional to 188,714.44, 260,424.48 and 107,058.28

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Solution

The fourth proportional to 188,714.44, 260,424.48 and 107,058.28 is: 147,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,714.44 : 260,424.48 = 107,058.28 : x
  2. Step 2: Convert to fraction form
    188,714.44/260,424.48 = 107,058.28/x
  3. Step 3: Cross multiply
    188,714.44x = 260,424.48 × 107,058.28
  4. Step 4: Simplify right side
    188,714.44x = 27,880,596,898.69
  5. Step 5: Solve for x
    x = 27,880,596,898.69/188,714.44
  6. Step 6: Final answer
    x = 147,739.61

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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.