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Finding the Fourth Proportional to 46,694,566.80, 70,041,850.20 and 19,820,710.80

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Solution

The fourth proportional to 46,694,566.80, 70,041,850.20 and 19,820,710.80 is: 29,731,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,694,566.80 : 70,041,850.20 = 19,820,710.80 : x
  2. Step 2: Convert to fraction form
    46,694,566.80/70,041,850.20 = 19,820,710.80/x
  3. Step 3: Cross multiply
    46,694,566.80x = 70,041,850.20 × 19,820,710.80
  4. Step 4: Simplify right side
    46,694,566.80x = 1,388,279,256,711,122.25
  5. Step 5: Solve for x
    x = 1,388,279,256,711,122.25/46,694,566.80
  6. Step 6: Final answer
    x = 29,731,066.20

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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.