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Finding the Fourth Proportional to 2,102,403.90, 2,951,337.08 and 2,102,403.90

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Solution

The fourth proportional to 2,102,403.90, 2,951,337.08 and 2,102,403.90 is: 2,951,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,403.90 : 2,951,337.08 = 2,102,403.90 : x
  2. Step 2: Convert to fraction form
    2,102,403.90/2,951,337.08 = 2,102,403.90/x
  3. Step 3: Cross multiply
    2,102,403.90x = 2,951,337.08 × 2,102,403.90
  4. Step 4: Simplify right side
    2,102,403.90x = 6,204,902,576,694.59
  5. Step 5: Solve for x
    x = 6,204,902,576,694.59/2,102,403.90
  6. Step 6: Final answer
    x = 2,951,337.08

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.