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Finding the Fourth Proportional to 254,203.45, 350,655.01 and 158,544.07

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Solution

The fourth proportional to 254,203.45, 350,655.01 and 158,544.07 is: 218,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,203.45 : 350,655.01 = 158,544.07 : x
  2. Step 2: Convert to fraction form
    254,203.45/350,655.01 = 158,544.07/x
  3. Step 3: Cross multiply
    254,203.45x = 350,655.01 × 158,544.07
  4. Step 4: Simplify right side
    254,203.45x = 55,594,272,451.29
  5. Step 5: Solve for x
    x = 55,594,272,451.29/254,203.45
  6. Step 6: Final answer
    x = 218,699.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.