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Finding the Fourth Proportional to 150,459.68, 207,633.08 and 82,480.48

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Solution

The fourth proportional to 150,459.68, 207,633.08 and 82,480.48 is: 113,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,459.68 : 207,633.08 = 82,480.48 : x
  2. Step 2: Convert to fraction form
    150,459.68/207,633.08 = 82,480.48/x
  3. Step 3: Cross multiply
    150,459.68x = 207,633.08 × 82,480.48
  4. Step 4: Simplify right side
    150,459.68x = 17,125,676,102.28
  5. Step 5: Solve for x
    x = 17,125,676,102.28/150,459.68
  6. Step 6: Final answer
    x = 113,822.36

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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.