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Finding the Fourth Proportional to 108,892.74, 150,206.81 and 68,536.44

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Solution

The fourth proportional to 108,892.74, 150,206.81 and 68,536.44 is: 94,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.74 : 150,206.81 = 68,536.44 : x
  2. Step 2: Convert to fraction form
    108,892.74/150,206.81 = 68,536.44/x
  3. Step 3: Cross multiply
    108,892.74x = 150,206.81 × 68,536.44
  4. Step 4: Simplify right side
    108,892.74x = 10,294,639,678.47
  5. Step 5: Solve for x
    x = 10,294,639,678.47/108,892.74
  6. Step 6: Final answer
    x = 94,539.27

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1.5x scale

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.