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Finding the Fourth Proportional to 205,040.10, 307,560.15 and 205,040.10

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Solution

The fourth proportional to 205,040.10, 307,560.15 and 205,040.10 is: 307,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,040.10 : 307,560.15 = 205,040.10 : x
  2. Step 2: Convert to fraction form
    205,040.10/307,560.15 = 205,040.10/x
  3. Step 3: Cross multiply
    205,040.10x = 307,560.15 × 205,040.10
  4. Step 4: Simplify right side
    205,040.10x = 63,062,163,912.02
  5. Step 5: Solve for x
    x = 63,062,163,912.02/205,040.10
  6. Step 6: Final answer
    x = 307,560.15

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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.