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Finding the Fourth Proportional to 177,248.79, 265,991.42 and 91,938.27

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Solution

The fourth proportional to 177,248.79, 265,991.42 and 91,938.27 is: 137,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,248.79 : 265,991.42 = 91,938.27 : x
  2. Step 2: Convert to fraction form
    177,248.79/265,991.42 = 91,938.27/x
  3. Step 3: Cross multiply
    177,248.79x = 265,991.42 × 91,938.27
  4. Step 4: Simplify right side
    177,248.79x = 24,454,792,216.96
  5. Step 5: Solve for x
    x = 24,454,792,216.96/177,248.79
  6. Step 6: Final answer
    x = 137,968.74

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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.