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Finding the Fourth Proportional to 104,978,663.80, 157,467,995.70 and 33,175,079.80

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Solution

The fourth proportional to 104,978,663.80, 157,467,995.70 and 33,175,079.80 is: 49,762,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978,663.80 : 157,467,995.70 = 33,175,079.80 : x
  2. Step 2: Convert to fraction form
    104,978,663.80/157,467,995.70 = 33,175,079.80/x
  3. Step 3: Cross multiply
    104,978,663.80x = 157,467,995.70 × 33,175,079.80
  4. Step 4: Simplify right side
    104,978,663.80x = 5,224,013,323,293,557
  5. Step 5: Solve for x
    x = 5,224,013,323,293,557/104,978,663.80
  6. Step 6: Final answer
    x = 49,762,619.70

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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.