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Finding the Fourth Proportional to 254,053.47, 380,747.98 and 104,118.22

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Solution

The fourth proportional to 254,053.47, 380,747.98 and 104,118.22 is: 156,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,053.47 : 380,747.98 = 104,118.22 : x
  2. Step 2: Convert to fraction form
    254,053.47/380,747.98 = 104,118.22/x
  3. Step 3: Cross multiply
    254,053.47x = 380,747.98 × 104,118.22
  4. Step 4: Simplify right side
    254,053.47x = 39,642,800,734.03
  5. Step 5: Solve for x
    x = 39,642,800,734.03/254,053.47
  6. Step 6: Final answer
    x = 156,041.17

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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.