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Finding the Fourth Proportional to 181,714.76, 272,272.10 and 105,599.60

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Solution

The fourth proportional to 181,714.76, 272,272.10 and 105,599.60 is: 158,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,714.76 : 272,272.10 = 105,599.60 : x
  2. Step 2: Convert to fraction form
    181,714.76/272,272.10 = 105,599.60/x
  3. Step 3: Cross multiply
    181,714.76x = 272,272.10 × 105,599.60
  4. Step 4: Simplify right side
    181,714.76x = 28,751,822,961.80
  5. Step 5: Solve for x
    x = 28,751,822,961.80/181,714.76
  6. Step 6: Final answer
    x = 158,225.03

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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.