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Finding the Fourth Proportional to 201,475.70, 302,213.55 and 61,216.10

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Solution

The fourth proportional to 201,475.70, 302,213.55 and 61,216.10 is: 91,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,475.70 : 302,213.55 = 61,216.10 : x
  2. Step 2: Convert to fraction form
    201,475.70/302,213.55 = 61,216.10/x
  3. Step 3: Cross multiply
    201,475.70x = 302,213.55 × 61,216.10
  4. Step 4: Simplify right side
    201,475.70x = 18,500,334,898.16
  5. Step 5: Solve for x
    x = 18,500,334,898.16/201,475.70
  6. Step 6: Final answer
    x = 91,824.15

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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.