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Finding the Fourth Proportional to 302,452.45, 453,362.13 and 112,836.51

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Solution

The fourth proportional to 302,452.45, 453,362.13 and 112,836.51 is: 169,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,452.45 : 453,362.13 = 112,836.51 : x
  2. Step 2: Convert to fraction form
    302,452.45/453,362.13 = 112,836.51/x
  3. Step 3: Cross multiply
    302,452.45x = 453,362.13 × 112,836.51
  4. Step 4: Simplify right side
    302,452.45x = 51,155,800,515.37
  5. Step 5: Solve for x
    x = 51,155,800,515.37/302,452.45
  6. Step 6: Final answer
    x = 169,136.67

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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.