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Finding the Fourth Proportional to 258,159.65, 356,257.73 and 141,875.04

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Solution

The fourth proportional to 258,159.65, 356,257.73 and 141,875.04 is: 195,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,159.65 : 356,257.73 = 141,875.04 : x
  2. Step 2: Convert to fraction form
    258,159.65/356,257.73 = 141,875.04/x
  3. Step 3: Cross multiply
    258,159.65x = 356,257.73 × 141,875.04
  4. Step 4: Simplify right side
    258,159.65x = 50,544,080,048.75
  5. Step 5: Solve for x
    x = 50,544,080,048.75/258,159.65
  6. Step 6: Final answer
    x = 195,786.13

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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.