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Finding the Fourth Proportional to 52,581,750.80, 78,872,626.20 and 52,581,750.80

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Solution

The fourth proportional to 52,581,750.80, 78,872,626.20 and 52,581,750.80 is: 78,872,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581,750.80 : 78,872,626.20 = 52,581,750.80 : x
  2. Step 2: Convert to fraction form
    52,581,750.80/78,872,626.20 = 52,581,750.80/x
  3. Step 3: Cross multiply
    52,581,750.80x = 78,872,626.20 × 52,581,750.80
  4. Step 4: Simplify right side
    52,581,750.80x = 4,147,260,775,789,951
  5. Step 5: Solve for x
    x = 4,147,260,775,789,951/52,581,750.80
  6. Step 6: Final answer
    x = 78,872,626.20

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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.