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Finding the Fourth Proportional to 101,968.40, 152,952.65 and 38,773.94

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Solution

The fourth proportional to 101,968.40, 152,952.65 and 38,773.94 is: 58,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968.40 : 152,952.65 = 38,773.94 : x
  2. Step 2: Convert to fraction form
    101,968.40/152,952.65 = 38,773.94/x
  3. Step 3: Cross multiply
    101,968.40x = 152,952.65 × 38,773.94
  4. Step 4: Simplify right side
    101,968.40x = 5,930,576,060.71
  5. Step 5: Solve for x
    x = 5,930,576,060.71/101,968.40
  6. Step 6: Final answer
    x = 58,160.92

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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.