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Finding the Fourth Proportional to 39,626,204.20, 55,363,311.80 and 39,626,204.20

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Solution

The fourth proportional to 39,626,204.20, 55,363,311.80 and 39,626,204.20 is: 55,363,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626,204.20 : 55,363,311.80 = 39,626,204.20 : x
  2. Step 2: Convert to fraction form
    39,626,204.20/55,363,311.80 = 39,626,204.20/x
  3. Step 3: Cross multiply
    39,626,204.20x = 55,363,311.80 × 39,626,204.20
  4. Step 4: Simplify right side
    39,626,204.20x = 2,193,837,898,575,069.50
  5. Step 5: Solve for x
    x = 2,193,837,898,575,069.50/39,626,204.20
  6. Step 6: Final answer
    x = 55,363,311.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.