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Finding the Fourth Proportional to 83,964,310.40, 125,946,465.60 and 83,964,310.40

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Solution

The fourth proportional to 83,964,310.40, 125,946,465.60 and 83,964,310.40 is: 125,946,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964,310.40 : 125,946,465.60 = 83,964,310.40 : x
  2. Step 2: Convert to fraction form
    83,964,310.40/125,946,465.60 = 83,964,310.40/x
  3. Step 3: Cross multiply
    83,964,310.40x = 125,946,465.60 × 83,964,310.40
  4. Step 4: Simplify right side
    83,964,310.40x = 10,575,008,131,421,322
  5. Step 5: Solve for x
    x = 10,575,008,131,421,322/83,964,310.40
  6. Step 6: Final answer
    x = 125,946,465.60

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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.