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Finding the Fourth Proportional to 45,363,820.20, 68,045,730.30 and 45,363,820.20

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Solution

The fourth proportional to 45,363,820.20, 68,045,730.30 and 45,363,820.20 is: 68,045,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,363,820.20 : 68,045,730.30 = 45,363,820.20 : x
  2. Step 2: Convert to fraction form
    45,363,820.20/68,045,730.30 = 45,363,820.20/x
  3. Step 3: Cross multiply
    45,363,820.20x = 68,045,730.30 × 45,363,820.20
  4. Step 4: Simplify right side
    45,363,820.20x = 3,086,814,274,706,892
  5. Step 5: Solve for x
    x = 3,086,814,274,706,892/45,363,820.20
  6. Step 6: Final answer
    x = 68,045,730.30

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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.