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Finding the Fourth Proportional to 301,806.60, 452,421.90 and 112,216.20

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Solution

The fourth proportional to 301,806.60, 452,421.90 and 112,216.20 is: 168,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,806.60 : 452,421.90 = 112,216.20 : x
  2. Step 2: Convert to fraction form
    301,806.60/452,421.90 = 112,216.20/x
  3. Step 3: Cross multiply
    301,806.60x = 452,421.90 × 112,216.20
  4. Step 4: Simplify right side
    301,806.60x = 50,769,066,414.78
  5. Step 5: Solve for x
    x = 50,769,066,414.78/301,806.60
  6. Step 6: Final answer
    x = 168,217.22

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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.