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Finding the Fourth Proportional to 68,323,903.20, 102,485,854.80 and 27,963,352.80

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Solution

The fourth proportional to 68,323,903.20, 102,485,854.80 and 27,963,352.80 is: 41,945,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323,903.20 : 102,485,854.80 = 27,963,352.80 : x
  2. Step 2: Convert to fraction form
    68,323,903.20/102,485,854.80 = 27,963,352.80/x
  3. Step 3: Cross multiply
    68,323,903.20x = 102,485,854.80 × 27,963,352.80
  4. Step 4: Simplify right side
    68,323,903.20x = 2,865,848,114,781,973.50
  5. Step 5: Solve for x
    x = 2,865,848,114,781,973.50/68,323,903.20
  6. Step 6: Final answer
    x = 41,945,029.20

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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.