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Finding the Fourth Proportional to 101,955.72, 152,898.90 and 38,760.60

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Solution

The fourth proportional to 101,955.72, 152,898.90 and 38,760.60 is: 58,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955.72 : 152,898.90 = 38,760.60 : x
  2. Step 2: Convert to fraction form
    101,955.72/152,898.90 = 38,760.60/x
  3. Step 3: Cross multiply
    101,955.72x = 152,898.90 × 38,760.60
  4. Step 4: Simplify right side
    101,955.72x = 5,926,453,103.34
  5. Step 5: Solve for x
    x = 5,926,453,103.34/101,955.72
  6. Step 6: Final answer
    x = 58,127.72

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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.