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Finding the Fourth Proportional to 301,711.80, 452,758.56 and 168,679.32

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Solution

The fourth proportional to 301,711.80, 452,758.56 and 168,679.32 is: 253,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,711.80 : 452,758.56 = 168,679.32 : x
  2. Step 2: Convert to fraction form
    301,711.80/452,758.56 = 168,679.32/x
  3. Step 3: Cross multiply
    301,711.80x = 452,758.56 × 168,679.32
  4. Step 4: Simplify right side
    301,711.80x = 76,371,006,024.98
  5. Step 5: Solve for x
    x = 76,371,006,024.98/301,711.80
  6. Step 6: Final answer
    x = 253,125.68

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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.