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Finding the Fourth Proportional to 46,987,340.60, 70,481,010.90 and 43,798,694.60

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Solution

The fourth proportional to 46,987,340.60, 70,481,010.90 and 43,798,694.60 is: 65,698,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987,340.60 : 70,481,010.90 = 43,798,694.60 : x
  2. Step 2: Convert to fraction form
    46,987,340.60/70,481,010.90 = 43,798,694.60/x
  3. Step 3: Cross multiply
    46,987,340.60x = 70,481,010.90 × 43,798,694.60
  4. Step 4: Simplify right side
    46,987,340.60x = 3,086,976,271,508,371.50
  5. Step 5: Solve for x
    x = 3,086,976,271,508,371.50/46,987,340.60
  6. Step 6: Final answer
    x = 65,698,041.90

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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.