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Finding the Fourth Proportional to 201,900.60, 302,894.10 and 61,673.40

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Solution

The fourth proportional to 201,900.60, 302,894.10 and 61,673.40 is: 92,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900.60 : 302,894.10 = 61,673.40 : x
  2. Step 2: Convert to fraction form
    201,900.60/302,894.10 = 61,673.40/x
  3. Step 3: Cross multiply
    201,900.60x = 302,894.10 × 61,673.40
  4. Step 4: Simplify right side
    201,900.60x = 18,680,508,986.94
  5. Step 5: Solve for x
    x = 18,680,508,986.94/201,900.60
  6. Step 6: Final answer
    x = 92,523.30

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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.