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Finding the Fourth Proportional to 251,322.49, 376,983.50 and 64,333.69

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Solution

The fourth proportional to 251,322.49, 376,983.50 and 64,333.69 is: 96,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,322.49 : 376,983.50 = 64,333.69 : x
  2. Step 2: Convert to fraction form
    251,322.49/376,983.50 = 64,333.69/x
  3. Step 3: Cross multiply
    251,322.49x = 376,983.50 × 64,333.69
  4. Step 4: Simplify right side
    251,322.49x = 24,252,739,302.45
  5. Step 5: Solve for x
    x = 24,252,739,302.45/251,322.49
  6. Step 6: Final answer
    x = 96,500.47

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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.