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Finding the Fourth Proportional to 99,850.60, 149,775.90 and 96,351.40

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Solution

The fourth proportional to 99,850.60, 149,775.90 and 96,351.40 is: 144,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850.60 : 149,775.90 = 96,351.40 : x
  2. Step 2: Convert to fraction form
    99,850.60/149,775.90 = 96,351.40/x
  3. Step 3: Cross multiply
    99,850.60x = 149,775.90 × 96,351.40
  4. Step 4: Simplify right side
    99,850.60x = 14,431,117,651.26
  5. Step 5: Solve for x
    x = 14,431,117,651.26/99,850.60
  6. Step 6: Final answer
    x = 144,527.10

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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.