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Finding the Fourth Proportional to 177,300.42, 244,641.06 and 105,687.06

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Solution

The fourth proportional to 177,300.42, 244,641.06 and 105,687.06 is: 145,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,300.42 : 244,641.06 = 105,687.06 : x
  2. Step 2: Convert to fraction form
    177,300.42/244,641.06 = 105,687.06/x
  3. Step 3: Cross multiply
    177,300.42x = 244,641.06 × 105,687.06
  4. Step 4: Simplify right side
    177,300.42x = 25,855,394,386.68
  5. Step 5: Solve for x
    x = 25,855,394,386.68/177,300.42
  6. Step 6: Final answer
    x = 145,828.16

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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.