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Finding the Fourth Proportional to 202,451.64, 279,383.26 and 117,574.17

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Solution

The fourth proportional to 202,451.64, 279,383.26 and 117,574.17 is: 162,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,451.64 : 279,383.26 = 117,574.17 : x
  2. Step 2: Convert to fraction form
    202,451.64/279,383.26 = 117,574.17/x
  3. Step 3: Cross multiply
    202,451.64x = 279,383.26 × 117,574.17
  4. Step 4: Simplify right side
    202,451.64x = 32,848,254,612.46
  5. Step 5: Solve for x
    x = 32,848,254,612.46/202,451.64
  6. Step 6: Final answer
    x = 162,252.35

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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.