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Finding the Fourth Proportional to 83,459.42, 125,208.80 and 27,299.30

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Solution

The fourth proportional to 83,459.42, 125,208.80 and 27,299.30 is: 40,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.42 : 125,208.80 = 27,299.30 : x
  2. Step 2: Convert to fraction form
    83,459.42/125,208.80 = 27,299.30/x
  3. Step 3: Cross multiply
    83,459.42x = 125,208.80 × 27,299.30
  4. Step 4: Simplify right side
    83,459.42x = 3,418,112,593.84
  5. Step 5: Solve for x
    x = 3,418,112,593.84/83,459.42
  6. Step 6: Final answer
    x = 40,955.38

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1.5x scale

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.