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Finding the Fourth Proportional to 171,694,857.60, 257,453,812.80 and 63,934,012.80

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Solution

The fourth proportional to 171,694,857.60, 257,453,812.80 and 63,934,012.80 is: 95,868,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,694,857.60 : 257,453,812.80 = 63,934,012.80 : x
  2. Step 2: Convert to fraction form
    171,694,857.60/257,453,812.80 = 63,934,012.80/x
  3. Step 3: Cross multiply
    171,694,857.60x = 257,453,812.80 × 63,934,012.80
  4. Step 4: Simplify right side
    171,694,857.60x = 16,460,055,362,964,004
  5. Step 5: Solve for x
    x = 16,460,055,362,964,004/171,694,857.60
  6. Step 6: Final answer
    x = 95,868,074.29

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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.