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Finding the Fourth Proportional to 254,673.56, 382,009.96 and 67,685.08

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Solution

The fourth proportional to 254,673.56, 382,009.96 and 67,685.08 is: 101,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,673.56 : 382,009.96 = 67,685.08 : x
  2. Step 2: Convert to fraction form
    254,673.56/382,009.96 = 67,685.08/x
  3. Step 3: Cross multiply
    254,673.56x = 382,009.96 × 67,685.08
  4. Step 4: Simplify right side
    254,673.56x = 25,856,374,703.40
  5. Step 5: Solve for x
    x = 25,856,374,703.40/254,673.56
  6. Step 6: Final answer
    x = 101,527.52

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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.