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Finding the Fourth Proportional to 220,551,267.60, 330,323,016.60 and 129,852,003.60

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Solution

The fourth proportional to 220,551,267.60, 330,323,016.60 and 129,852,003.60 is: 194,481,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,551,267.60 : 330,323,016.60 = 129,852,003.60 : x
  2. Step 2: Convert to fraction form
    220,551,267.60/330,323,016.60 = 129,852,003.60/x
  3. Step 3: Cross multiply
    220,551,267.60x = 330,323,016.60 × 129,852,003.60
  4. Step 4: Simplify right side
    220,551,267.60x = 42,893,105,540,706,064
  5. Step 5: Solve for x
    x = 42,893,105,540,706,064/220,551,267.60
  6. Step 6: Final answer
    x = 194,481,337.64

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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.