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Finding the Fourth Proportional to 91,998.30, 137,914.30 and 32,819.90

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Solution

The fourth proportional to 91,998.30, 137,914.30 and 32,819.90 is: 49,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998.30 : 137,914.30 = 32,819.90 : x
  2. Step 2: Convert to fraction form
    91,998.30/137,914.30 = 32,819.90/x
  3. Step 3: Cross multiply
    91,998.30x = 137,914.30 × 32,819.90
  4. Step 4: Simplify right side
    91,998.30x = 4,526,333,534.57
  5. Step 5: Solve for x
    x = 4,526,333,534.57/91,998.30
  6. Step 6: Final answer
    x = 49,200.19

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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.