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Finding the Fourth Proportional to 101,055.59, 151,539.37 and 28,992.60

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Solution

The fourth proportional to 101,055.59, 151,539.37 and 28,992.60 is: 43,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,055.59 : 151,539.37 = 28,992.60 : x
  2. Step 2: Convert to fraction form
    101,055.59/151,539.37 = 28,992.60/x
  3. Step 3: Cross multiply
    101,055.59x = 151,539.37 × 28,992.60
  4. Step 4: Simplify right side
    101,055.59x = 4,393,520,266.18
  5. Step 5: Solve for x
    x = 4,393,520,266.18/101,055.59
  6. Step 6: Final answer
    x = 43,476.27

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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.