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Finding the Fourth Proportional to 75,671,143.56, 113,506,716.56 and 18,163,414.67

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Solution

The fourth proportional to 75,671,143.56, 113,506,716.56 and 18,163,414.67 is: 27,245,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671,143.56 : 113,506,716.56 = 18,163,414.67 : x
  2. Step 2: Convert to fraction form
    75,671,143.56/113,506,716.56 = 18,163,414.67/x
  3. Step 3: Cross multiply
    75,671,143.56x = 113,506,716.56 × 18,163,414.67
  4. Step 4: Simplify right side
    75,671,143.56x = 2,061,669,560,051,085.25
  5. Step 5: Solve for x
    x = 2,061,669,560,051,085.25/75,671,143.56
  6. Step 6: Final answer
    x = 27,245,122.29

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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.