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Finding the Fourth Proportional to 181,809.80, 272,714.70 and 125,822.60

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Solution

The fourth proportional to 181,809.80, 272,714.70 and 125,822.60 is: 188,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,809.80 : 272,714.70 = 125,822.60 : x
  2. Step 2: Convert to fraction form
    181,809.80/272,714.70 = 125,822.60/x
  3. Step 3: Cross multiply
    181,809.80x = 272,714.70 × 125,822.60
  4. Step 4: Simplify right side
    181,809.80x = 34,313,672,612.22
  5. Step 5: Solve for x
    x = 34,313,672,612.22/181,809.80
  6. Step 6: Final answer
    x = 188,733.90

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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.