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Finding the Fourth Proportional to 201,450.70, 302,176.05 and 61,191.10

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Solution

The fourth proportional to 201,450.70, 302,176.05 and 61,191.10 is: 91,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,450.70 : 302,176.05 = 61,191.10 : x
  2. Step 2: Convert to fraction form
    201,450.70/302,176.05 = 61,191.10/x
  3. Step 3: Cross multiply
    201,450.70x = 302,176.05 × 61,191.10
  4. Step 4: Simplify right side
    201,450.70x = 18,490,484,893.16
  5. Step 5: Solve for x
    x = 18,490,484,893.16/201,450.70
  6. Step 6: Final answer
    x = 91,786.65

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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.