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Finding the Fourth Proportional to 68,410,903.20, 102,473,276.40 and 32,050,327.20

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Solution

The fourth proportional to 68,410,903.20, 102,473,276.40 and 32,050,327.20 is: 48,008,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410,903.20 : 102,473,276.40 = 32,050,327.20 : x
  2. Step 2: Convert to fraction form
    68,410,903.20/102,473,276.40 = 32,050,327.20/x
  3. Step 3: Cross multiply
    68,410,903.20x = 102,473,276.40 × 32,050,327.20
  4. Step 4: Simplify right side
    68,410,903.20x = 3,284,302,037,876,038
  5. Step 5: Solve for x
    x = 3,284,302,037,876,038/68,410,903.20
  6. Step 6: Final answer
    x = 48,008,458.95

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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.