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Finding the Fourth Proportional to 101,076.93, 151,492.41 and 71,503.29

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Solution

The fourth proportional to 101,076.93, 151,492.41 and 71,503.29 is: 107,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,076.93 : 151,492.41 = 71,503.29 : x
  2. Step 2: Convert to fraction form
    101,076.93/151,492.41 = 71,503.29/x
  3. Step 3: Cross multiply
    101,076.93x = 151,492.41 × 71,503.29
  4. Step 4: Simplify right side
    101,076.93x = 10,832,205,725.03
  5. Step 5: Solve for x
    x = 10,832,205,725.03/101,076.93
  6. Step 6: Final answer
    x = 107,167.93

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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.