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Finding the Fourth Proportional to 239,054.75, 329,895.56 and 133,070.75

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Solution

The fourth proportional to 239,054.75, 329,895.56 and 133,070.75 is: 183,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,054.75 : 329,895.56 = 133,070.75 : x
  2. Step 2: Convert to fraction form
    239,054.75/329,895.56 = 133,070.75/x
  3. Step 3: Cross multiply
    239,054.75x = 329,895.56 × 133,070.75
  4. Step 4: Simplify right side
    239,054.75x = 43,899,449,590.87
  5. Step 5: Solve for x
    x = 43,899,449,590.87/239,054.75
  6. Step 6: Final answer
    x = 183,637.64

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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.