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Finding the Fourth Proportional to 177,291.84, 244,681.56 and 108,421.56

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Solution

The fourth proportional to 177,291.84, 244,681.56 and 108,421.56 is: 149,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,291.84 : 244,681.56 = 108,421.56 : x
  2. Step 2: Convert to fraction form
    177,291.84/244,681.56 = 108,421.56/x
  3. Step 3: Cross multiply
    177,291.84x = 244,681.56 × 108,421.56
  4. Step 4: Simplify right side
    177,291.84x = 26,528,756,438.43
  5. Step 5: Solve for x
    x = 26,528,756,438.43/177,291.84
  6. Step 6: Final answer
    x = 149,633.26

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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.