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Finding the Fourth Proportional to 220,766,672.40, 330,866,573.40 and 169,394,042.40

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Solution

The fourth proportional to 220,766,672.40, 330,866,573.40 and 169,394,042.40 is: 253,873,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,766,672.40 : 330,866,573.40 = 169,394,042.40 : x
  2. Step 2: Convert to fraction form
    220,766,672.40/330,866,573.40 = 169,394,042.40/x
  3. Step 3: Cross multiply
    220,766,672.40x = 330,866,573.40 × 169,394,042.40
  4. Step 4: Simplify right side
    220,766,672.40x = 56,046,826,363,262,312
  5. Step 5: Solve for x
    x = 56,046,826,363,262,312/220,766,672.40
  6. Step 6: Final answer
    x = 253,873,584.06

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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.