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Finding the Fourth Proportional to 70,936.67, 106,525.53 and 47,395.50

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Solution

The fourth proportional to 70,936.67, 106,525.53 and 47,395.50 is: 71,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.67 : 106,525.53 = 47,395.50 : x
  2. Step 2: Convert to fraction form
    70,936.67/106,525.53 = 47,395.50/x
  3. Step 3: Cross multiply
    70,936.67x = 106,525.53 × 47,395.50
  4. Step 4: Simplify right side
    70,936.67x = 5,048,829,987.51
  5. Step 5: Solve for x
    x = 5,048,829,987.51/70,936.67
  6. Step 6: Final answer
    x = 71,173.77

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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.