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Finding the Fourth Proportional to 250,956.36, 346,320 and 136,234.92

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Solution

The fourth proportional to 250,956.36, 346,320 and 136,234.92 is: 188,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,956.36 : 346,320 = 136,234.92 : x
  2. Step 2: Convert to fraction form
    250,956.36/346,320 = 136,234.92/x
  3. Step 3: Cross multiply
    250,956.36x = 346,320 × 136,234.92
  4. Step 4: Simplify right side
    250,956.36x = 47,180,877,494.40
  5. Step 5: Solve for x
    x = 47,180,877,494.40/250,956.36
  6. Step 6: Final answer
    x = 188,004.31

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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.