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Finding the Fourth Proportional to 99,373.20, 149,059.80 and 32,823.60

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Solution

The fourth proportional to 99,373.20, 149,059.80 and 32,823.60 is: 49,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.20 : 149,059.80 = 32,823.60 : x
  2. Step 2: Convert to fraction form
    99,373.20/149,059.80 = 32,823.60/x
  3. Step 3: Cross multiply
    99,373.20x = 149,059.80 × 32,823.60
  4. Step 4: Simplify right side
    99,373.20x = 4,892,679,251.28
  5. Step 5: Solve for x
    x = 4,892,679,251.28/99,373.20
  6. Step 6: Final answer
    x = 49,235.40

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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.