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Finding the Fourth Proportional to 104,751.01, 157,141.28 and 33,649.80

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Solution

The fourth proportional to 104,751.01, 157,141.28 and 33,649.80 is: 50,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,751.01 : 157,141.28 = 33,649.80 : x
  2. Step 2: Convert to fraction form
    104,751.01/157,141.28 = 33,649.80/x
  3. Step 3: Cross multiply
    104,751.01x = 157,141.28 × 33,649.80
  4. Step 4: Simplify right side
    104,751.01x = 5,287,772,643.74
  5. Step 5: Solve for x
    x = 5,287,772,643.74/104,751.01
  6. Step 6: Final answer
    x = 50,479.44

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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.