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Finding the Fourth Proportional to 301,402.80, 452,179.80 and 132,955.20

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Solution

The fourth proportional to 301,402.80, 452,179.80 and 132,955.20 is: 199,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,402.80 : 452,179.80 = 132,955.20 : x
  2. Step 2: Convert to fraction form
    301,402.80/452,179.80 = 132,955.20/x
  3. Step 3: Cross multiply
    301,402.80x = 452,179.80 × 132,955.20
  4. Step 4: Simplify right side
    301,402.80x = 60,119,655,744.96
  5. Step 5: Solve for x
    x = 60,119,655,744.96/301,402.80
  6. Step 6: Final answer
    x = 199,466.15

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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.