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Finding the Fourth Proportional to 49,172,804.20, 73,759,206.30 and 49,172,804.20

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Solution

The fourth proportional to 49,172,804.20, 73,759,206.30 and 49,172,804.20 is: 73,759,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172,804.20 : 73,759,206.30 = 49,172,804.20 : x
  2. Step 2: Convert to fraction form
    49,172,804.20/73,759,206.30 = 49,172,804.20/x
  3. Step 3: Cross multiply
    49,172,804.20x = 73,759,206.30 × 49,172,804.20
  4. Step 4: Simplify right side
    49,172,804.20x = 3,626,947,009,337,306.50
  5. Step 5: Solve for x
    x = 3,626,947,009,337,306.50/49,172,804.20
  6. Step 6: Final answer
    x = 73,759,206.30

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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.