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Finding the Fourth Proportional to 101,092.60, 151,347.30 and 89,428.60

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Solution

The fourth proportional to 101,092.60, 151,347.30 and 89,428.60 is: 133,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,092.60 : 151,347.30 = 89,428.60 : x
  2. Step 2: Convert to fraction form
    101,092.60/151,347.30 = 89,428.60/x
  3. Step 3: Cross multiply
    101,092.60x = 151,347.30 × 89,428.60
  4. Step 4: Simplify right side
    101,092.60x = 13,534,777,152.78
  5. Step 5: Solve for x
    x = 13,534,777,152.78/101,092.60
  6. Step 6: Final answer
    x = 133,884.94

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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.