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Finding the Fourth Proportional to 52,777,259.20, 79,039,917.60 and 52,777,259.20

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Solution

The fourth proportional to 52,777,259.20, 79,039,917.60 and 52,777,259.20 is: 79,039,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777,259.20 : 79,039,917.60 = 52,777,259.20 : x
  2. Step 2: Convert to fraction form
    52,777,259.20/79,039,917.60 = 52,777,259.20/x
  3. Step 3: Cross multiply
    52,777,259.20x = 79,039,917.60 × 52,777,259.20
  4. Step 4: Simplify right side
    52,777,259.20x = 4,171,510,218,321,842
  5. Step 5: Solve for x
    x = 4,171,510,218,321,842/52,777,259.20
  6. Step 6: Final answer
    x = 79,039,917.60

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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.