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Finding the Fourth Proportional to 101,208.25, 151,619.18 and 56,700.37

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Solution

The fourth proportional to 101,208.25, 151,619.18 and 56,700.37 is: 84,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,208.25 : 151,619.18 = 56,700.37 : x
  2. Step 2: Convert to fraction form
    101,208.25/151,619.18 = 56,700.37/x
  3. Step 3: Cross multiply
    101,208.25x = 151,619.18 × 56,700.37
  4. Step 4: Simplify right side
    101,208.25x = 8,596,862,847.00
  5. Step 5: Solve for x
    x = 8,596,862,847.00/101,208.25
  6. Step 6: Final answer
    x = 84,942.32

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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.