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Finding the Fourth Proportional to 101,208.50, 151,619.56 and 56,700.62

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Solution

The fourth proportional to 101,208.50, 151,619.56 and 56,700.62 is: 84,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,208.50 : 151,619.56 = 56,700.62 : x
  2. Step 2: Convert to fraction form
    101,208.50/151,619.56 = 56,700.62/x
  3. Step 3: Cross multiply
    101,208.50x = 151,619.56 × 56,700.62
  4. Step 4: Simplify right side
    101,208.50x = 8,596,922,156.28
  5. Step 5: Solve for x
    x = 8,596,922,156.28/101,208.50
  6. Step 6: Final answer
    x = 84,942.69

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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.