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Finding the Fourth Proportional to 53,653,054.20, 80,485,486.20 and 17,255,250.60

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Solution

The fourth proportional to 53,653,054.20, 80,485,486.20 and 17,255,250.60 is: 25,884,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653,054.20 : 80,485,486.20 = 17,255,250.60 : x
  2. Step 2: Convert to fraction form
    53,653,054.20/80,485,486.20 = 17,255,250.60/x
  3. Step 3: Cross multiply
    53,653,054.20x = 80,485,486.20 × 17,255,250.60
  4. Step 4: Simplify right side
    53,653,054.20x = 1,388,797,234,043,842
  5. Step 5: Solve for x
    x = 1,388,797,234,043,842/53,653,054.20
  6. Step 6: Final answer
    x = 25,884,774.96

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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.