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Finding the Fourth Proportional to 52,826,727.20, 79,240,090.80 and 52,826,727.20

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Solution

The fourth proportional to 52,826,727.20, 79,240,090.80 and 52,826,727.20 is: 79,240,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,826,727.20 : 79,240,090.80 = 52,826,727.20 : x
  2. Step 2: Convert to fraction form
    52,826,727.20/79,240,090.80 = 52,826,727.20/x
  3. Step 3: Cross multiply
    52,826,727.20x = 79,240,090.80 × 52,826,727.20
  4. Step 4: Simplify right side
    52,826,727.20x = 4,185,994,659,994,830
  5. Step 5: Solve for x
    x = 4,185,994,659,994,830/52,826,727.20
  6. Step 6: Final answer
    x = 79,240,090.80

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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.