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Finding the Fourth Proportional to 202,451.63, 279,383.24 and 117,574.16

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Solution

The fourth proportional to 202,451.63, 279,383.24 and 117,574.16 is: 162,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,451.63 : 279,383.24 = 117,574.16 : x
  2. Step 2: Convert to fraction form
    202,451.63/279,383.24 = 117,574.16/x
  3. Step 3: Cross multiply
    202,451.63x = 279,383.24 × 117,574.16
  4. Step 4: Simplify right side
    202,451.63x = 32,848,248,658.10
  5. Step 5: Solve for x
    x = 32,848,248,658.10/202,451.63
  6. Step 6: Final answer
    x = 162,252.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.