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Finding the Fourth Proportional to 53,477,010.60, 80,215,515.90 and 53,477,010.60

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Solution

The fourth proportional to 53,477,010.60, 80,215,515.90 and 53,477,010.60 is: 80,215,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477,010.60 : 80,215,515.90 = 53,477,010.60 : x
  2. Step 2: Convert to fraction form
    53,477,010.60/80,215,515.90 = 53,477,010.60/x
  3. Step 3: Cross multiply
    53,477,010.60x = 80,215,515.90 × 53,477,010.60
  4. Step 4: Simplify right side
    53,477,010.60x = 4,289,685,994,068,769
  5. Step 5: Solve for x
    x = 4,289,685,994,068,769/53,477,010.60
  6. Step 6: Final answer
    x = 80,215,515.90

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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.