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Finding the Fourth Proportional to 180,999,739.80, 271,499,609.70 and 65,988,034.20

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Solution

The fourth proportional to 180,999,739.80, 271,499,609.70 and 65,988,034.20 is: 98,982,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,999,739.80 : 271,499,609.70 = 65,988,034.20 : x
  2. Step 2: Convert to fraction form
    180,999,739.80/271,499,609.70 = 65,988,034.20/x
  3. Step 3: Cross multiply
    180,999,739.80x = 271,499,609.70 × 65,988,034.20
  4. Step 4: Simplify right side
    180,999,739.80x = 17,915,725,530,170,252
  5. Step 5: Solve for x
    x = 17,915,725,530,170,252/180,999,739.80
  6. Step 6: Final answer
    x = 98,982,051.30

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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.