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Finding the Fourth Proportional to 101,761.47, 152,611.11 and 70,373.25

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Solution

The fourth proportional to 101,761.47, 152,611.11 and 70,373.25 is: 105,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,761.47 : 152,611.11 = 70,373.25 : x
  2. Step 2: Convert to fraction form
    101,761.47/152,611.11 = 70,373.25/x
  3. Step 3: Cross multiply
    101,761.47x = 152,611.11 × 70,373.25
  4. Step 4: Simplify right side
    101,761.47x = 10,739,739,796.81
  5. Step 5: Solve for x
    x = 10,739,739,796.81/101,761.47
  6. Step 6: Final answer
    x = 105,538.37

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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.