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Finding the Fourth Proportional to 84,343.58, 116,394.25 and 48,532.88

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Solution

The fourth proportional to 84,343.58, 116,394.25 and 48,532.88 is: 66,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,343.58 : 116,394.25 = 48,532.88 : x
  2. Step 2: Convert to fraction form
    84,343.58/116,394.25 = 48,532.88/x
  3. Step 3: Cross multiply
    84,343.58x = 116,394.25 × 48,532.88
  4. Step 4: Simplify right side
    84,343.58x = 5,648,948,167.94
  5. Step 5: Solve for x
    x = 5,648,948,167.94/84,343.58
  6. Step 6: Final answer
    x = 66,975.44

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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.