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Finding the Fourth Proportional to 35,874,403.20, 50,110,790.40 and 35,874,403.20

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Solution

The fourth proportional to 35,874,403.20, 50,110,790.40 and 35,874,403.20 is: 50,110,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874,403.20 : 50,110,790.40 = 35,874,403.20 : x
  2. Step 2: Convert to fraction form
    35,874,403.20/50,110,790.40 = 35,874,403.20/x
  3. Step 3: Cross multiply
    35,874,403.20x = 50,110,790.40 × 35,874,403.20
  4. Step 4: Simplify right side
    35,874,403.20x = 1,797,694,699,480,289.50
  5. Step 5: Solve for x
    x = 1,797,694,699,480,289.50/35,874,403.20
  6. Step 6: Final answer
    x = 50,110,790.40

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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.