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Finding the Fourth Proportional to 301,857.44, 452,995.54 and 112,490.78

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Solution

The fourth proportional to 301,857.44, 452,995.54 and 112,490.78 is: 168,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,857.44 : 452,995.54 = 112,490.78 : x
  2. Step 2: Convert to fraction form
    301,857.44/452,995.54 = 112,490.78/x
  3. Step 3: Cross multiply
    301,857.44x = 452,995.54 × 112,490.78
  4. Step 4: Simplify right side
    301,857.44x = 50,957,819,084.92
  5. Step 5: Solve for x
    x = 50,957,819,084.92/301,857.44
  6. Step 6: Final answer
    x = 168,814.19

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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.