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Finding the Fourth Proportional to 117,076.80, 175,654.62 and 37,127.88

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Solution

The fourth proportional to 117,076.80, 175,654.62 and 37,127.88 is: 55,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076.80 : 175,654.62 = 37,127.88 : x
  2. Step 2: Convert to fraction form
    117,076.80/175,654.62 = 37,127.88/x
  3. Step 3: Cross multiply
    117,076.80x = 175,654.62 × 37,127.88
  4. Step 4: Simplify right side
    117,076.80x = 6,521,683,652.81
  5. Step 5: Solve for x
    x = 6,521,683,652.81/117,076.80
  6. Step 6: Final answer
    x = 55,704.32

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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.