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Finding the Fourth Proportional to 301,981.64, 452,640.30 and 124,391.76

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Solution

The fourth proportional to 301,981.64, 452,640.30 and 124,391.76 is: 186,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,981.64 : 452,640.30 = 124,391.76 : x
  2. Step 2: Convert to fraction form
    301,981.64/452,640.30 = 124,391.76/x
  3. Step 3: Cross multiply
    301,981.64x = 452,640.30 × 124,391.76
  4. Step 4: Simplify right side
    301,981.64x = 56,304,723,563.93
  5. Step 5: Solve for x
    x = 56,304,723,563.93/301,981.64
  6. Step 6: Final answer
    x = 186,450.82

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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.