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Finding the Fourth Proportional to 80,875,903.70, 113,427,819.10 and 80,875,903.70

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Solution

The fourth proportional to 80,875,903.70, 113,427,819.10 and 80,875,903.70 is: 113,427,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875,903.70 : 113,427,819.10 = 80,875,903.70 : x
  2. Step 2: Convert to fraction form
    80,875,903.70/113,427,819.10 = 80,875,903.70/x
  3. Step 3: Cross multiply
    80,875,903.70x = 113,427,819.10 × 80,875,903.70
  4. Step 4: Simplify right side
    80,875,903.70x = 9,173,577,374,432,620
  5. Step 5: Solve for x
    x = 9,173,577,374,432,620/80,875,903.70
  6. Step 6: Final answer
    x = 113,427,819.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.