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Finding the Fourth Proportional to 79,733,199.80, 111,928,810.60 and 79,733,199.80

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Solution

The fourth proportional to 79,733,199.80, 111,928,810.60 and 79,733,199.80 is: 111,928,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,733,199.80 : 111,928,810.60 = 79,733,199.80 : x
  2. Step 2: Convert to fraction form
    79,733,199.80/111,928,810.60 = 79,733,199.80/x
  3. Step 3: Cross multiply
    79,733,199.80x = 111,928,810.60 × 79,733,199.80
  4. Step 4: Simplify right side
    79,733,199.80x = 8,924,442,218,946,157
  5. Step 5: Solve for x
    x = 8,924,442,218,946,157/79,733,199.80
  6. Step 6: Final answer
    x = 111,928,810.60

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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.