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Finding the Fourth Proportional to 250,956.73, 346,320.56 and 136,235.32

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Solution

The fourth proportional to 250,956.73, 346,320.56 and 136,235.32 is: 188,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,956.73 : 346,320.56 = 136,235.32 : x
  2. Step 2: Convert to fraction form
    250,956.73/346,320.56 = 136,235.32/x
  3. Step 3: Cross multiply
    250,956.73x = 346,320.56 × 136,235.32
  4. Step 4: Simplify right side
    250,956.73x = 47,181,091,788.97
  5. Step 5: Solve for x
    x = 47,181,091,788.97/250,956.73
  6. Step 6: Final answer
    x = 188,004.89

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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.