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Finding the Fourth Proportional to 20,161,026.20, 30,241,539.32 and 20,161,026.20

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Solution

The fourth proportional to 20,161,026.20, 30,241,539.32 and 20,161,026.20 is: 30,241,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,026.20 : 30,241,539.32 = 20,161,026.20 : x
  2. Step 2: Convert to fraction form
    20,161,026.20/30,241,539.32 = 20,161,026.20/x
  3. Step 3: Cross multiply
    20,161,026.20x = 30,241,539.32 × 20,161,026.20
  4. Step 4: Simplify right side
    20,161,026.20x = 609,700,466,558,850.12
  5. Step 5: Solve for x
    x = 609,700,466,558,850.12/20,161,026.20
  6. Step 6: Final answer
    x = 30,241,539.32

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1.5x scale

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.