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Finding the Fourth Proportional to 84,248.01, 126,308.79 and 50,961.24

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Solution

The fourth proportional to 84,248.01, 126,308.79 and 50,961.24 is: 76,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248.01 : 126,308.79 = 50,961.24 : x
  2. Step 2: Convert to fraction form
    84,248.01/126,308.79 = 50,961.24/x
  3. Step 3: Cross multiply
    84,248.01x = 126,308.79 × 50,961.24
  4. Step 4: Simplify right side
    84,248.01x = 6,436,852,561.30
  5. Step 5: Solve for x
    x = 6,436,852,561.30/84,248.01
  6. Step 6: Final answer
    x = 76,403.62

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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.