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Finding the Fourth Proportional to 83,669,833.60, 125,504,750.40 and 83,669,833.60

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Solution

The fourth proportional to 83,669,833.60, 125,504,750.40 and 83,669,833.60 is: 125,504,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,833.60 : 125,504,750.40 = 83,669,833.60 : x
  2. Step 2: Convert to fraction form
    83,669,833.60/125,504,750.40 = 83,669,833.60/x
  3. Step 3: Cross multiply
    83,669,833.60x = 125,504,750.40 × 83,669,833.60
  4. Step 4: Simplify right side
    83,669,833.60x = 10,500,961,581,977,534
  5. Step 5: Solve for x
    x = 10,500,961,581,977,534/83,669,833.60
  6. Step 6: Final answer
    x = 125,504,750.40

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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.