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Finding the Fourth Proportional to 108,895,478.40, 163,295,978.40 and 36,084,124.80

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Solution

The fourth proportional to 108,895,478.40, 163,295,978.40 and 36,084,124.80 is: 54,110,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895,478.40 : 163,295,978.40 = 36,084,124.80 : x
  2. Step 2: Convert to fraction form
    108,895,478.40/163,295,978.40 = 36,084,124.80/x
  3. Step 3: Cross multiply
    108,895,478.40x = 163,295,978.40 × 36,084,124.80
  4. Step 4: Simplify right side
    108,895,478.40x = 5,892,392,463,923,704
  5. Step 5: Solve for x
    x = 5,892,392,463,923,704/108,895,478.40
  6. Step 6: Final answer
    x = 54,110,533.79

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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.