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Finding the Fourth Proportional to 254,778.66, 350,986.77 and 178,154.46

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Solution

The fourth proportional to 254,778.66, 350,986.77 and 178,154.46 is: 245,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,778.66 : 350,986.77 = 178,154.46 : x
  2. Step 2: Convert to fraction form
    254,778.66/350,986.77 = 178,154.46/x
  3. Step 3: Cross multiply
    254,778.66x = 350,986.77 × 178,154.46
  4. Step 4: Simplify right side
    254,778.66x = 62,529,858,476.49
  5. Step 5: Solve for x
    x = 62,529,858,476.49/254,778.66
  6. Step 6: Final answer
    x = 245,428.16

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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.