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Finding the Fourth Proportional to 205,662,193.56, 283,819,050.36 and 112,842,676.80

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Solution

The fourth proportional to 205,662,193.56, 283,819,050.36 and 112,842,676.80 is: 155,725,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,662,193.56 : 283,819,050.36 = 112,842,676.80 : x
  2. Step 2: Convert to fraction form
    205,662,193.56/283,819,050.36 = 112,842,676.80/x
  3. Step 3: Cross multiply
    205,662,193.56x = 283,819,050.36 × 112,842,676.80
  4. Step 4: Simplify right side
    205,662,193.56x = 32,026,901,369,456,404
  5. Step 5: Solve for x
    x = 32,026,901,369,456,404/205,662,193.56
  6. Step 6: Final answer
    x = 155,725,759.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.