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Finding the Fourth Proportional to 251,433, 377,172.18 and 64,446.12

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Solution

The fourth proportional to 251,433, 377,172.18 and 64,446.12 is: 96,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,433 : 377,172.18 = 64,446.12 : x
  2. Step 2: Convert to fraction form
    251,433/377,172.18 = 64,446.12/x
  3. Step 3: Cross multiply
    251,433x = 377,172.18 × 64,446.12
  4. Step 4: Simplify right side
    251,433x = 24,307,283,572.94
  5. Step 5: Solve for x
    x = 24,307,283,572.94/251,433
  6. Step 6: Final answer
    x = 96,674.99

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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.