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Finding the Fourth Proportional to 201,993.56, 302,989.83 and 59,849.90

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Solution

The fourth proportional to 201,993.56, 302,989.83 and 59,849.90 is: 89,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,993.56 : 302,989.83 = 59,849.90 : x
  2. Step 2: Convert to fraction form
    201,993.56/302,989.83 = 59,849.90/x
  3. Step 3: Cross multiply
    201,993.56x = 302,989.83 × 59,849.90
  4. Step 4: Simplify right side
    201,993.56x = 18,133,911,026.52
  5. Step 5: Solve for x
    x = 18,133,911,026.52/201,993.56
  6. Step 6: Final answer
    x = 89,774.70

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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.