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Finding the Fourth Proportional to 52,323,861.80, 78,485,792.70 and 50,112,367.40

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Solution

The fourth proportional to 52,323,861.80, 78,485,792.70 and 50,112,367.40 is: 75,168,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,323,861.80 : 78,485,792.70 = 50,112,367.40 : x
  2. Step 2: Convert to fraction form
    52,323,861.80/78,485,792.70 = 50,112,367.40/x
  3. Step 3: Cross multiply
    52,323,861.80x = 78,485,792.70 × 50,112,367.40
  4. Step 4: Simplify right side
    52,323,861.80x = 3,933,108,879,462,638
  5. Step 5: Solve for x
    x = 3,933,108,879,462,638/52,323,861.80
  6. Step 6: Final answer
    x = 75,168,551.10

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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.