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Finding the Fourth Proportional to 104,978,948.80, 157,468,423.20 and 33,175,364.80

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Solution

The fourth proportional to 104,978,948.80, 157,468,423.20 and 33,175,364.80 is: 49,763,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978,948.80 : 157,468,423.20 = 33,175,364.80 : x
  2. Step 2: Convert to fraction form
    104,978,948.80/157,468,423.20 = 33,175,364.80/x
  3. Step 3: Cross multiply
    104,978,948.80x = 157,468,423.20 × 33,175,364.80
  4. Step 4: Simplify right side
    104,978,948.80x = 5,224,072,384,140,783
  5. Step 5: Solve for x
    x = 5,224,072,384,140,783/104,978,948.80
  6. Step 6: Final answer
    x = 49,763,047.20

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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.