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Finding the Fourth Proportional to 301,592.50, 451,699.52 and 143,931.66

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Solution

The fourth proportional to 301,592.50, 451,699.52 and 143,931.66 is: 215,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,592.50 : 451,699.52 = 143,931.66 : x
  2. Step 2: Convert to fraction form
    301,592.50/451,699.52 = 143,931.66/x
  3. Step 3: Cross multiply
    301,592.50x = 451,699.52 × 143,931.66
  4. Step 4: Simplify right side
    301,592.50x = 65,013,861,734.80
  5. Step 5: Solve for x
    x = 65,013,861,734.80/301,592.50
  6. Step 6: Final answer
    x = 215,568.56

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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.