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Finding the Fourth Proportional to 356,348.64, 534,504.24 and 119,696.16

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Solution

The fourth proportional to 356,348.64, 534,504.24 and 119,696.16 is: 179,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,348.64 : 534,504.24 = 119,696.16 : x
  2. Step 2: Convert to fraction form
    356,348.64/534,504.24 = 119,696.16/x
  3. Step 3: Cross multiply
    356,348.64x = 534,504.24 × 119,696.16
  4. Step 4: Simplify right side
    356,348.64x = 63,978,105,031.72
  5. Step 5: Solve for x
    x = 63,978,105,031.72/356,348.64
  6. Step 6: Final answer
    x = 179,537.95

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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.