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Finding the Fourth Proportional to 73,764,145.40, 103,420,969 and 73,764,145.40

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Solution

The fourth proportional to 73,764,145.40, 103,420,969 and 73,764,145.40 is: 103,420,969

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764,145.40 : 103,420,969 = 73,764,145.40 : x
  2. Step 2: Convert to fraction form
    73,764,145.40/103,420,969 = 73,764,145.40/x
  3. Step 3: Cross multiply
    73,764,145.40x = 103,420,969 × 73,764,145.40
  4. Step 4: Simplify right side
    73,764,145.40x = 7,628,759,394,724,893
  5. Step 5: Solve for x
    x = 7,628,759,394,724,893/73,764,145.40
  6. Step 6: Final answer
    x = 103,420,969

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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.