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Finding the Fourth Proportional to 30,204,055.90, 45,306,083.85 and 30,204,055.90

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Solution

The fourth proportional to 30,204,055.90, 45,306,083.85 and 30,204,055.90 is: 45,306,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204,055.90 : 45,306,083.85 = 30,204,055.90 : x
  2. Step 2: Convert to fraction form
    30,204,055.90/45,306,083.85 = 30,204,055.90/x
  3. Step 3: Cross multiply
    30,204,055.90x = 45,306,083.85 × 30,204,055.90
  4. Step 4: Simplify right side
    30,204,055.90x = 1,368,427,489,215,487.25
  5. Step 5: Solve for x
    x = 1,368,427,489,215,487.25/30,204,055.90
  6. Step 6: Final answer
    x = 45,306,083.85

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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.