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Finding the Fourth Proportional to 53,312,793.60, 79,969,190.40 and 53,312,793.60

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Solution

The fourth proportional to 53,312,793.60, 79,969,190.40 and 53,312,793.60 is: 79,969,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312,793.60 : 79,969,190.40 = 53,312,793.60 : x
  2. Step 2: Convert to fraction form
    53,312,793.60/79,969,190.40 = 53,312,793.60/x
  3. Step 3: Cross multiply
    53,312,793.60x = 79,969,190.40 × 53,312,793.60
  4. Step 4: Simplify right side
    53,312,793.60x = 4,263,380,942,154,302
  5. Step 5: Solve for x
    x = 4,263,380,942,154,302/53,312,793.60
  6. Step 6: Final answer
    x = 79,969,190.40

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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.