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Finding the Fourth Proportional to 60,572,080.60, 90,858,120.90 and 36,385,610.20

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Solution

The fourth proportional to 60,572,080.60, 90,858,120.90 and 36,385,610.20 is: 54,578,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,572,080.60 : 90,858,120.90 = 36,385,610.20 : x
  2. Step 2: Convert to fraction form
    60,572,080.60/90,858,120.90 = 36,385,610.20/x
  3. Step 3: Cross multiply
    60,572,080.60x = 90,858,120.90 × 36,385,610.20
  4. Step 4: Simplify right side
    60,572,080.60x = 3,305,928,170,571,873.50
  5. Step 5: Solve for x
    x = 3,305,928,170,571,873.50/60,572,080.60
  6. Step 6: Final answer
    x = 54,578,415.30

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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.