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Finding the Fourth Proportional to 84,906.10, 119,043.50 and 84,906.10

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Solution

The fourth proportional to 84,906.10, 119,043.50 and 84,906.10 is: 119,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.10 : 119,043.50 = 84,906.10 : x
  2. Step 2: Convert to fraction form
    84,906.10/119,043.50 = 84,906.10/x
  3. Step 3: Cross multiply
    84,906.10x = 119,043.50 × 84,906.10
  4. Step 4: Simplify right side
    84,906.10x = 10,107,519,315.35
  5. Step 5: Solve for x
    x = 10,107,519,315.35/84,906.10
  6. Step 6: Final answer
    x = 119,043.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.