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Finding the Fourth Proportional to 104,978,927.80, 157,468,391.70 and 33,175,343.80

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Solution

The fourth proportional to 104,978,927.80, 157,468,391.70 and 33,175,343.80 is: 49,763,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978,927.80 : 157,468,391.70 = 33,175,343.80 : x
  2. Step 2: Convert to fraction form
    104,978,927.80/157,468,391.70 = 33,175,343.80/x
  3. Step 3: Cross multiply
    104,978,927.80x = 157,468,391.70 × 33,175,343.80
  4. Step 4: Simplify right side
    104,978,927.80x = 5,224,068,032,280,566
  5. Step 5: Solve for x
    x = 5,224,068,032,280,566/104,978,927.80
  6. Step 6: Final answer
    x = 49,763,015.70

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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.