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Finding the Fourth Proportional to 82,000.67, 123,001.02 and 63,308.03

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Solution

The fourth proportional to 82,000.67, 123,001.02 and 63,308.03 is: 94,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,000.67 : 123,001.02 = 63,308.03 : x
  2. Step 2: Convert to fraction form
    82,000.67/123,001.02 = 63,308.03/x
  3. Step 3: Cross multiply
    82,000.67x = 123,001.02 × 63,308.03
  4. Step 4: Simplify right side
    82,000.67x = 7,786,951,649.19
  5. Step 5: Solve for x
    x = 7,786,951,649.19/82,000.67
  6. Step 6: Final answer
    x = 94,962.05

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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.