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Finding the Fourth Proportional to 99,793.80, 149,800.05 and 62,396.10

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Solution

The fourth proportional to 99,793.80, 149,800.05 and 62,396.10 is: 93,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.80 : 149,800.05 = 62,396.10 : x
  2. Step 2: Convert to fraction form
    99,793.80/149,800.05 = 62,396.10/x
  3. Step 3: Cross multiply
    99,793.80x = 149,800.05 × 62,396.10
  4. Step 4: Simplify right side
    99,793.80x = 9,346,938,899.81
  5. Step 5: Solve for x
    x = 9,346,938,899.81/99,793.80
  6. Step 6: Final answer
    x = 93,662.52

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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.