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Finding the Fourth Proportional to 201,676.06, 302,503.15 and 61,423.75

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Solution

The fourth proportional to 201,676.06, 302,503.15 and 61,423.75 is: 92,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676.06 : 302,503.15 = 61,423.75 : x
  2. Step 2: Convert to fraction form
    201,676.06/302,503.15 = 61,423.75/x
  3. Step 3: Cross multiply
    201,676.06x = 302,503.15 × 61,423.75
  4. Step 4: Simplify right side
    201,676.06x = 18,580,877,859.81
  5. Step 5: Solve for x
    x = 18,580,877,859.81/201,676.06
  6. Step 6: Final answer
    x = 92,132.29

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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.