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Finding the Fourth Proportional to 162,917,900.40, 244,187,893.80 and 65,809,851.60

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Solution

The fourth proportional to 162,917,900.40, 244,187,893.80 and 65,809,851.60 is: 98,638,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,917,900.40 : 244,187,893.80 = 65,809,851.60 : x
  2. Step 2: Convert to fraction form
    162,917,900.40/244,187,893.80 = 65,809,851.60/x
  3. Step 3: Cross multiply
    162,917,900.40x = 244,187,893.80 × 65,809,851.60
  4. Step 4: Simplify right side
    162,917,900.40x = 16,069,969,053,494,562
  5. Step 5: Solve for x
    x = 16,069,969,053,494,562/162,917,900.40
  6. Step 6: Final answer
    x = 98,638,449.27

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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.