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Finding the Fourth Proportional to 32,194,978.20, 48,294,800.10 and 19,387,906.20

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Solution

The fourth proportional to 32,194,978.20, 48,294,800.10 and 19,387,906.20 is: 29,083,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,194,978.20 : 48,294,800.10 = 19,387,906.20 : x
  2. Step 2: Convert to fraction form
    32,194,978.20/48,294,800.10 = 19,387,906.20/x
  3. Step 3: Cross multiply
    32,194,978.20x = 48,294,800.10 × 19,387,906.20
  4. Step 4: Simplify right side
    32,194,978.20x = 936,335,054,286,550.62
  5. Step 5: Solve for x
    x = 936,335,054,286,550.62/32,194,978.20
  6. Step 6: Final answer
    x = 29,083,264.12

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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.