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Finding the Fourth Proportional to 177,118.53, 265,681.44 and 71,865.51

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Solution

The fourth proportional to 177,118.53, 265,681.44 and 71,865.51 is: 107,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,118.53 : 265,681.44 = 71,865.51 : x
  2. Step 2: Convert to fraction form
    177,118.53/265,681.44 = 71,865.51/x
  3. Step 3: Cross multiply
    177,118.53x = 265,681.44 × 71,865.51
  4. Step 4: Simplify right side
    177,118.53x = 19,093,332,183.13
  5. Step 5: Solve for x
    x = 19,093,332,183.13/177,118.53
  6. Step 6: Final answer
    x = 107,799.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.