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Finding the Fourth Proportional to 250,980.03, 376,390.22 and 82,461.52

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Solution

The fourth proportional to 250,980.03, 376,390.22 and 82,461.52 is: 123,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,980.03 : 376,390.22 = 82,461.52 : x
  2. Step 2: Convert to fraction form
    250,980.03/376,390.22 = 82,461.52/x
  3. Step 3: Cross multiply
    250,980.03x = 376,390.22 × 82,461.52
  4. Step 4: Simplify right side
    250,980.03x = 31,037,708,885.84
  5. Step 5: Solve for x
    x = 31,037,708,885.84/250,980.03
  6. Step 6: Final answer
    x = 123,666.05

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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.